Pith Number

pith:52NZGTVB

pith:1998:52NZGTVBXCYWI2RU3EDRFKH2L4

not attested not anchored not stored refs pending

Metallicity distribution of bulge globular clusters in M31

C. Bonatto, D. Carter, E. Bica, M. Langlois, P. Jablonka, T.J. Bridges

arxiv:astro-ph/9802272 v1 · 1998-02-20 · 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{52NZGTVBXCYWI2RU3EDRFKH2L4}

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	2026-07-04T14:15:40.935604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee9b934ea1b8b1646a34d90712a8fa5f0974eb9ce7662e2ce4dec2afb53f187a

Aliases

arxiv: astro-ph/9802272 · arxiv_version: astro-ph/9802272v1 · doi: 10.48550/arxiv.astro-ph/9802272 · pith_short_12: 52NZGTVBXCYW · pith_short_16: 52NZGTVBXCYWI2RU · pith_short_8: 52NZGTVB

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/52NZGTVBXCYWI2RU3EDRFKH2L4 \
  | 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: ee9b934ea1b8b1646a34d90712a8fa5f0974eb9ce7662e2ce4dec2afb53f187a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39a33eaed295f300b1e62ecebaadd23ba4049acc191dcbbe2b3adfb0da25245f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-02-20T16:59:51Z",
    "title_canon_sha256": "695f6dc288097f1018def3fe7c1ad680645e96ab95af1584b2c08d0edd6aa2d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802272",
    "kind": "arxiv",
    "version": 1
  }
}