Pith Number

pith:IQDGRPIR

pith:2021:IQDGRPIRP7YXWGKN5HPS5NF5FP

not attested not anchored not stored refs pending

The In-situ Origins of Dwarf Stellar Outskirts in FIRE-2

Andrew Wetzel, Claude-Andr\'e Faucher-Gigu\`ere, Coral Wheeler, Eliot Quataert, Emily C. Cunningham, Erin Kado-Fong, Jenny E. Greene, Kareem El-Badry, Michael Boylan-Kolchin, Philip F. Hopkins, Robyn E. Sanderson, Song Huang, Tjitske Starkenburg, T.K. Chan

arxiv:2109.05034 v2 · 2021-09-10 · 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{IQDGRPIRP7YXWGKN5HPS5NF5FP}

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	2026-07-05T04:31:24.072371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

440668bd117ff17b194de9df2eb4bd2bcdb33998d3ae45e17bfbdb238415741f

Aliases

arxiv: 2109.05034 · arxiv_version: 2109.05034v2 · doi: 10.48550/arxiv.2109.05034 · pith_short_12: IQDGRPIRP7YX · pith_short_16: IQDGRPIRP7YXWGKN · pith_short_8: IQDGRPIR

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/IQDGRPIRP7YXWGKN5HPS5NF5FP \
  | 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: 440668bd117ff17b194de9df2eb4bd2bcdb33998d3ae45e17bfbdb238415741f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4002891aa866beefe8341c84545944cb35afbd34e28c17db352d02197b67b7e7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-09-10T18:00:07Z",
    "title_canon_sha256": "d0c5f865f9e03afb637f5aa30216b16e45270d5bf14080d2a10e0df2a8cbda38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05034",
    "kind": "arxiv",
    "version": 2
  }
}