Pith Number

pith:FFCTYPBH

pith:2022:FFCTYPBHITVMNBVM5XBOSFS3IU

not attested not anchored not stored refs pending

The VMC Survey -- XLIX. Discovery of a population of quasars dominated by nuclear dust emission behind the Magellanic Clouds

Ambra Nanni, Andrew M. Hopkins, Anne E. Sansom, Chandreyee Maitra, Clara M. Pennock, Eleni Vardoulaki, Frank Haberl, Isabella Prandoni, Jacco Th. van Loon, Jessica E. M. Craig, Jos\'e Afonso, Joy O. Anih, Maria-Rosa L. Cioni, Michael J. Cowley, Miroslav D. Filipovi\'c, Sonia Ant\'on, Valentin D. Ivanov

arxiv:2207.12301 v1 · 2022-07-25 · 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{FFCTYPBHITVMNBVM5XBOSFS3IU}

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	2026-07-05T04:45:27.707337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29453c3c2744eac686acedc2e9165b450591dc11bd4b7a0be37a2d176e727d3b

Aliases

arxiv: 2207.12301 · arxiv_version: 2207.12301v1 · doi: 10.48550/arxiv.2207.12301 · pith_short_12: FFCTYPBHITVM · pith_short_16: FFCTYPBHITVMNBVM · pith_short_8: FFCTYPBH

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/FFCTYPBHITVMNBVM5XBOSFS3IU \
  | 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: 29453c3c2744eac686acedc2e9165b450591dc11bd4b7a0be37a2d176e727d3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a568a79b4a8cfbe617bdc2a132ead3657bfcafcc2c43847bcb79c2b8ea48e345",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-07-25T16:09:46Z",
    "title_canon_sha256": "1993c71e4db19784b87c7d450d082009cfb3c566e7460740f315993722f72aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.12301",
    "kind": "arxiv",
    "version": 1
  }
}