Pith Number

pith:EZB4QHD7

pith:2002:EZB4QHD75AY47S2NHNEORFYK7Q

not attested not anchored not stored refs pending

The Evolution of Copper in the Globular Cluster Omega Centauri

B. Plez, G. S. Da Costa, J. E. Norris, K. Cunha, N. B. Suntzeff, V. V. Smith

arxiv:astro-ph/0203408 v2 · 2002-03-22 · 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{EZB4QHD75AY47S2NHNEORFYK7Q}

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	2026-05-18T01:07:45.001278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2643c81c7fe831cfcb4d3b48e8970afc1a8f356570f86cc019af83e3a65c14e8

Aliases

arxiv: astro-ph/0203408 · arxiv_version: astro-ph/0203408v2 · doi: 10.48550/arxiv.astro-ph/0203408 · pith_short_12: EZB4QHD75AY4 · pith_short_16: EZB4QHD75AY47S2N · pith_short_8: EZB4QHD7

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/EZB4QHD75AY47S2NHNEORFYK7Q \
  | 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: 2643c81c7fe831cfcb4d3b48e8970afc1a8f356570f86cc019af83e3a65c14e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4174606f8b76e1a5a0f5f197e4b0a8722ec626f27f7b277aacef47e0a282be1b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-22T19:42:52Z",
    "title_canon_sha256": "20c402200d9c40617afe84be393743ebd55253cebf33140e11e404f577c080c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203408",
    "kind": "arxiv",
    "version": 2
  }
}