Pith Number

pith:DIT7K4FD

pith:2014:DIT7K4FDGBNIJSHEHM5ZAPSVNL

not attested not anchored not stored refs pending

Spectral Energy Distributions and Masses of 304 M31 Old Star Clusters

Beijing, China), Chinese Academy of Sciences, Cuihua Du, Hu Zou, Jianghua Wu, Jundan Nie, Jun Ma (1), National Astronomical Observatories, Qirong Yuan ((1) Key Laboratory of Optical Astronomy, Song Wang, Tianmeng Zhang, Xu Zhou, Zhenyu Wu, Zhiming Zhou

arxiv:1411.3175 v1 · 2014-11-12 · 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{DIT7K4FDGBNIJSHEHM5ZAPSVNL}

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	2026-05-18T01:41:31.275845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a27f570a3305a84c8e43b3b903e556ae972d7d04b13736e9430082120fc5d7a

Aliases

arxiv: 1411.3175 · arxiv_version: 1411.3175v1 · doi: 10.48550/arxiv.1411.3175 · pith_short_12: DIT7K4FDGBNI · pith_short_16: DIT7K4FDGBNIJSHE · pith_short_8: DIT7K4FD

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/DIT7K4FDGBNIJSHEHM5ZAPSVNL \
  | 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: 1a27f570a3305a84c8e43b3b903e556ae972d7d04b13736e9430082120fc5d7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "217ea1b103236b33d7d52320ead7be2fb991549c4d6037d4754737098e4813d6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-11-12T13:50:11Z",
    "title_canon_sha256": "57a8a0451e796ee8d3dfcadbf1367aa0c31a51c5d0a195f91b27fbe978938947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3175",
    "kind": "arxiv",
    "version": 1
  }
}