Pith Number

pith:YD7JV3PC

pith:2012:YD7JV3PC6KKEME6FLH3C2J6DH4

not attested not anchored not stored refs pending

Multicolor Photometry of the Nearby Galaxy Cluster A119

Hu Zou, Jiang-Hua Wu, Jin-tao Tian, Jun Ma, Qi-Rong Yuan, Tian-Meng Zhang, Xu Zhou, Zhao-Ji Jiang, Zhen-Yu Wu, Zhou Fan

arxiv:1204.1842 v1 · 2012-04-09 · astro-ph.GA · 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{YD7JV3PC6KKEME6FLH3C2J6DH4}

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	2026-05-18T01:57:55.794220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0fe9aede2f2944613c559f62d27c33f145cf8580af9763fb460d825cd082700

Aliases

arxiv: 1204.1842 · arxiv_version: 1204.1842v1 · doi: 10.48550/arxiv.1204.1842 · pith_short_12: YD7JV3PC6KKE · pith_short_16: YD7JV3PC6KKEME6F · pith_short_8: YD7JV3PC

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/YD7JV3PC6KKEME6FLH3C2J6DH4 \
  | 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: c0fe9aede2f2944613c559f62d27c33f145cf8580af9763fb460d825cd082700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23588c3afd60ce65392d728bb3e17e8f353b18e7b5afdc211023834cb0ae4e01",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-09T09:53:59Z",
    "title_canon_sha256": "9b70ff10cf075e565597e806f0e389b644b967f22beafdd2f5209fc4127cb37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1842",
    "kind": "arxiv",
    "version": 1
  }
}