Pith Number

pith:65XXUXZP

pith:2002:65XXUXZP2JTVMDF66ZHA5CDP4J

not attested not anchored not stored refs pending

Observations of Neutron-Capture Elements in the Early Galaxy

C. Sneden, J. E. Lawler, J. J. Cowan

arxiv:astro-ph/0210125 v1 · 2002-10-04 · 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{65XXUXZP2JTVMDF66ZHA5CDP4J}

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	2026-07-04T16:30:54.751963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f76f7a5f2fd267560cbef64e0e886fe243175fac81c5df4a844913335930c649

Aliases

arxiv: astro-ph/0210125 · arxiv_version: astro-ph/0210125v1 · doi: 10.48550/arxiv.astro-ph/0210125 · pith_short_12: 65XXUXZP2JTV · pith_short_16: 65XXUXZP2JTVMDF6 · pith_short_8: 65XXUXZP

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/65XXUXZP2JTVMDF66ZHA5CDP4J \
  | 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: f76f7a5f2fd267560cbef64e0e886fe243175fac81c5df4a844913335930c649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12e84e709861274fedb04f0cb99e8d7f57cd91c8aadad8baac20fb722fbb227d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-04T22:13:30Z",
    "title_canon_sha256": "d975b720fe17437aa9f36bab1c42b52cbd8a3e6cd150f5b518dbcba71e806667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210125",
    "kind": "arxiv",
    "version": 1
  }
}