Pith Number

pith:5OVETREQ

pith:2011:5OVETREQPEH3AYXN2ODHAZKLNW

not attested not anchored not stored refs pending

Age and mass constraints for a young massive cluster in M31 based on spectral-energy-distribution fitting

2), (2) Key Laboratory of Optical Astronomy, 3), Chinese Academy of Sciences, Chinese Academy of Sciences), Jianghua Wu (1) et al. ((1) National Astronomical Observatories, Jun Ma (1, National Astronomical Observatories, Song Wang (1, Tianmeng Zhang (1), Yanbin Yang (1), Zhenyu Wu (1), Zhou Fan (1)

arxiv:1101.1567 v1 · 2011-01-08 · 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{5OVETREQPEH3AYXN2ODHAZKLNW}

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	2026-05-18T02:03:43.974419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebaa49c490790fb062edd38670654b6da257f23e70664a2c9a4b7e920f021dcd

Aliases

arxiv: 1101.1567 · arxiv_version: 1101.1567v1 · doi: 10.48550/arxiv.1101.1567 · pith_short_12: 5OVETREQPEH3 · pith_short_16: 5OVETREQPEH3AYXN · pith_short_8: 5OVETREQ

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/5OVETREQPEH3AYXN2ODHAZKLNW \
  | 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: ebaa49c490790fb062edd38670654b6da257f23e70664a2c9a4b7e920f021dcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0def8f2577d49479f92733655a4214609e673d164273aa18371acdf541f5839",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-08T03:10:28Z",
    "title_canon_sha256": "79082e520a963d2d005fb69543d6e66a54ee7105efe3dbc0612dea4c8002075c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1567",
    "kind": "arxiv",
    "version": 1
  }
}