Pith Number

pith:N3DOPMAO

pith:2010:N3DOPMAODLBD6PEYNQLMCDRCVM

not attested not anchored not stored refs pending

An updated catalog of M31 globular-like clusters: UBVRI photometry, ages, and masses

Richard de Grijs, Xu Zhou, Zhou Fan

arxiv:1009.3582 v1 · 2010-09-18 · 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{N3DOPMAODLBD6PEYNQLMCDRCVM}

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	2026-05-18T02:05:21.862547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ec6e7b00e1ac23f3c986c16c10e22ab25beaec382eadc6faeb068366d6cb972

Aliases

arxiv: 1009.3582 · arxiv_version: 1009.3582v1 · doi: 10.48550/arxiv.1009.3582 · pith_short_12: N3DOPMAODLBD · pith_short_16: N3DOPMAODLBD6PEY · pith_short_8: N3DOPMAO

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/N3DOPMAODLBD6PEYNQLMCDRCVM \
  | 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: 6ec6e7b00e1ac23f3c986c16c10e22ab25beaec382eadc6faeb068366d6cb972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f68a5ea89e6acd12887dfc8294750f957c97549cb41d226f8af2d690130efa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-18T21:00:48Z",
    "title_canon_sha256": "1e8c865c6bb21f0b6831841030086ce19c37e7ff5f71196bd457bea166d6f63a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3582",
    "kind": "arxiv",
    "version": 1
  }
}