Pith Number

pith:UI3CDZJ7

pith:2012:UI3CDZJ777W24QL3I4BRGNP6KO

not attested not anchored not stored refs pending

Elemental and isotopic abundances and chemical evolution of galaxies

Chiaki Kobayashi

arxiv:1202.3356 v1 · 2012-02-15 · astro-ph.GA · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UI3CDZJ777W24QL3I4BRGNP6KO}

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	2026-05-18T04:02:14.047760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23621e53fffedae417b47031335fe53b27de0810bb95da173d753689d37daf6

Aliases

arxiv: 1202.3356 · arxiv_version: 1202.3356v1 · doi: 10.48550/arxiv.1202.3356 · pith_short_12: UI3CDZJ777W2 · pith_short_16: UI3CDZJ777W24QL3 · pith_short_8: UI3CDZJ7

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/UI3CDZJ777W24QL3I4BRGNP6KO \
  | 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: a23621e53fffedae417b47031335fe53b27de0810bb95da173d753689d37daf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0f227e955d2a2f9a66ce284366ba1fcabe729d4aa48aaa8713355722e3fdbb8",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-15T16:39:25Z",
    "title_canon_sha256": "421e459c438023e17bc05f55051bcf33b663bb82fa26c33ad0cbb7eb13e39964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3356",
    "kind": "arxiv",
    "version": 1
  }
}