Pith Number

pith:C4LS7LNV

pith:2020:C4LS7LNVKJCWW2NF2CT5EWK7IO

not attested not anchored not stored refs pending

Discovery of a Nearby Young Brown Dwarf Disk

(10) Space Telescope Science Institute, (11) Western Illinois University, (12) Disk Detective Citizen Scientist, 13), (13) Universidad Nacional de C\'ordoba, 14) ((1) University of Oklahoma, (14) Meisei University), (2) NASA Goddard Space Flight Center, (3) Massachusetts Institute of Technology, (4) American Museum of Natural History, 5), (5) City University of New York, (6) Universit\'e de Montr\'eal, (7) NSF's National Optical-Infrared Astronomy Research Laboratory, (8) Arizona State University, (9) Emory University, A. C. Schneider (8), A. Meisner (7), A. S. Bans (9), D. C. Bardalez Gagliuffi (4), H. A. Durantini Luca (12, J. Gagn\'e (6), J. H. Debes (10), J. Holden (12), J. K. Faherty (4), J. P. Wisniewski (1), K. D. Lawson (1), M. C. Schutte (1), M. Hyogo (12, M. J. Kuchner (2), M. K. D. Bosch (12), N. Kovacevic (11), R. Kiman (4, S. M. Silverberg (3)

arxiv:2007.15735 v2 · 2020-07-30 · astro-ph.SR · astro-ph.EP · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4LS7LNVKJCWW2NF2CT5EWK7IO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:24:03.344750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17172fadb552456b69a5d0a7d2595f4396ccbb096835862bcfdffbd4f964f0ea

Aliases

arxiv: 2007.15735 · arxiv_version: 2007.15735v2 · doi: 10.48550/arxiv.2007.15735 · pith_short_12: C4LS7LNVKJCW · pith_short_16: C4LS7LNVKJCWW2NF · pith_short_8: C4LS7LNV

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/C4LS7LNVKJCWW2NF2CT5EWK7IO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 17172fadb552456b69a5d0a7d2595f4396ccbb096835862bcfdffbd4f964f0ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24be65aa4365736cbebebe61e5991123734e25434638a193bcb2d1c09601be47",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-07-30T20:50:20Z",
    "title_canon_sha256": "3e93bf971d2c800118085f48e3fb4200ab14b1b7bd4171b7e86a718b9d665453"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.15735",
    "kind": "arxiv",
    "version": 2
  }
}