Pith Number

pith:6AO4GIWI

pith:2001:6AO4GIWISJ55TYYGOCDG3USKBF

not attested not anchored not stored refs pending

Chemical Evolution of the Galaxy: the G-dwarf problem and radioactive chronology revisited taking account of the Thick Disk

B.E.J. Pagel (Astronomy Centre, Brighton, Sussex University, UK)

arxiv:astro-ph/0101376 v1 · 2001-01-22 · 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{6AO4GIWISJ55TYYGOCDG3USKBF}

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	2026-05-18T01:00:27.616202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01dc322c8927bd9e30670866dd24a095dea0b90a77a0b9a4fd97438754e5e2b

Aliases

arxiv: astro-ph/0101376 · arxiv_version: astro-ph/0101376v1 · doi: 10.48550/arxiv.astro-ph/0101376 · pith_short_12: 6AO4GIWISJ55 · pith_short_16: 6AO4GIWISJ55TYYG · pith_short_8: 6AO4GIWI

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/6AO4GIWISJ55TYYGOCDG3USKBF \
  | 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: f01dc322c8927bd9e30670866dd24a095dea0b90a77a0b9a4fd97438754e5e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d7f395241199663d5750bbe61c31a0a7de624af9b86f827f4cd750226c1c0c9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-22T12:12:26Z",
    "title_canon_sha256": "582613f61177feb5fbbff6f99d17c77b595303d217902085c24885e66ba62110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101376",
    "kind": "arxiv",
    "version": 1
  }
}