Pith Number

pith:YDKMCZA5

pith:2004:YDKMCZA5YVKMEHRRIOJPZJDPBC

not attested not anchored not stored refs pending

The evolution of the Milky Way from its earliest phases : constraints on stellar nucleosynthesis

(2) DAUT, (3) INAF, Cristina Chiappini (3) ((1) Observatoire de Paris/Meudon, Francesca Matteucci (2), Francois Spite (1), Monique Spite (1), Patrick Francois (1), Roger Cayrel (1), Trieste, Trieste)

arxiv:astro-ph/0401499 v3 · 2004-01-23 · 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{YDKMCZA5YVKMEHRRIOJPZJDPBC}

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.

Cited by

1 paper in Pith

Kings of the Milky Way: A Homogeneous Gaia DR3 Analysis of King Open Clusters and the Galactic Disc Metallicity Gradient

Receipt and verification

First computed	2026-07-04T16:42:54.425388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d4c1641dc554c21e314392fca46f08aa386ce665310f9c379f23ce03e4891d

Aliases

arxiv: astro-ph/0401499 · arxiv_version: astro-ph/0401499v3 · doi: 10.48550/arxiv.astro-ph/0401499 · pith_short_12: YDKMCZA5YVKM · pith_short_16: YDKMCZA5YVKMEHRR · pith_short_8: YDKMCZA5

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/YDKMCZA5YVKMEHRRIOJPZJDPBC \
  | 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: c0d4c1641dc554c21e314392fca46f08aa386ce665310f9c379f23ce03e4891d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d48851a355bd436eddcdc481356e946d2e06d78c4e8186f634c5459337adeb5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-23T14:07:48Z",
    "title_canon_sha256": "86033b1c2ee2b907aa9079c1ee4eb13bc4eca022c7bf09bbf565c101c319f780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401499",
    "kind": "arxiv",
    "version": 3
  }
}