Pith Number

pith:7YJOIAZE

pith:2011:7YJOIAZEFVJ5TDY2XUNRFS6JCO

not attested not anchored not stored refs pending

Looking inside the nest: the hidden structure of the merger galaxy NGC 1316 (Fornax A)

(2) Special Astrophysical Observatory, (3) University of Vienna, (4) South African Astronomical Observatory), A. Kniazev (4) ((1) European Southern Observatory, A. Moiseev (2), D. A. Gadotti (1), J. Alves (3), Y. Beletsky (1)

arxiv:1108.0955 v1 · 2011-08-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YJOIAZEFVJ5TDY2XUNRFS6JCO}

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	2026-05-18T02:01:03.235691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe12e403242d53d98f1abd1b12cbc9138abc7093e0f62a317427d75f18806dc7

Aliases

arxiv: 1108.0955 · arxiv_version: 1108.0955v1 · doi: 10.48550/arxiv.1108.0955 · pith_short_12: 7YJOIAZEFVJ5 · pith_short_16: 7YJOIAZEFVJ5TDY2 · pith_short_8: 7YJOIAZE

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/7YJOIAZEFVJ5TDY2XUNRFS6JCO \
  | 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: fe12e403242d53d98f1abd1b12cbc9138abc7093e0f62a317427d75f18806dc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce32dc19dacb0453e7cc09376f86557602d3609399524675152d926a114abf6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-03T22:51:18Z",
    "title_canon_sha256": "c93bf11d55ed17271df50150c417bd6310a6fbc80e0b63f647037ad2c3e57bf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0955",
    "kind": "arxiv",
    "version": 1
  }
}