Pith Number

pith:MPCWUKO2

pith:2000:MPCWUKO2YSZN5JDKDCZQT2XPSP

not attested not anchored not stored refs pending

Resolved Stellar Populations of Super-Metal-Rich Star Clusters in the Bulge of M31

A. Sarajedini, F. Courbin, G. Meylan, P. Jablonka, P. Magain, T.J. Bridges

arxiv:astro-ph/0005040 v1 · 2000-05-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPCWUKO2YSZN5JDKDCZQT2XPSP}

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	2026-07-04T14:10:20.296744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63c56a29dac4b2dea46a18b309eaef93e5e4ea06c3230a1628edd9a169b22cde

Aliases

arxiv: astro-ph/0005040 · arxiv_version: astro-ph/0005040v1 · doi: 10.48550/arxiv.astro-ph/0005040 · pith_short_12: MPCWUKO2YSZN · pith_short_16: MPCWUKO2YSZN5JDK · pith_short_8: MPCWUKO2

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/MPCWUKO2YSZN5JDKDCZQT2XPSP \
  | 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: 63c56a29dac4b2dea46a18b309eaef93e5e4ea06c3230a1628edd9a169b22cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c195e29a77d3dd12c3039911606720eeecf7c8290569a851cd356505b3ce5a5d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-02T15:35:35Z",
    "title_canon_sha256": "0846f3724686ba5fe2e09e4b5c92c63090571cd11ea39238dc22137bf45e2838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005040",
    "kind": "arxiv",
    "version": 1
  }
}