Pith Number

pith:NHDF3REZ

pith:2002:NHDF3REZVTB3DUFTDV6OI4QR7R

not attested not anchored not stored refs pending

Evolution of lithium beyond the solar age: a Li survey of the old open cluster NGC 188

Paola Sestito (Dipartimento di Astronomia, Roberto Pallavicini (INAF-Osservatorio di Palermo), Sofia Randich (INAF-Osservatorio di Arcetri), Universita' di Firenze)

arxiv:astro-ph/0212098 v1 · 2002-12-04 · 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{NHDF3REZVTB3DUFTDV6OI4QR7R}

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	2026-07-04T15:18:03.527932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c65dc499acc3b1d0b31d7ce47211fc448ba59edd988bd22a2fb1c45049506a

Aliases

arxiv: astro-ph/0212098 · arxiv_version: astro-ph/0212098v1 · doi: 10.48550/arxiv.astro-ph/0212098 · pith_short_12: NHDF3REZVTB3 · pith_short_16: NHDF3REZVTB3DUFT · pith_short_8: NHDF3REZ

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/NHDF3REZVTB3DUFTDV6OI4QR7R \
  | 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: 69c65dc499acc3b1d0b31d7ce47211fc448ba59edd988bd22a2fb1c45049506a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9751491025374505932e95acd8893352b80aef07bf79f300592fd3f85b0d211",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-04T11:42:58Z",
    "title_canon_sha256": "a97b53132b6c7afffa1fecb726bf6e00c40ec76f794e3699bf220a980cf1d0dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212098",
    "kind": "arxiv",
    "version": 1
  }
}