Pith Number

pith:G6AV3ZBS

pith:2010:G6AV3ZBSLX45CDEQMOTPAEGHUI

not attested not anchored not stored refs pending

The first galactic stars and chemical enrichment in the halo

GEPI, OAT), Piercarlo Bonifacio (CIFIST

arxiv:1002.1452 v1 · 2010-02-07 · 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{G6AV3ZBSLX45CDEQMOTPAEGHUI}

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	2026-05-18T02:09:18.615252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37815de4325df9d10c9063a6f010c7a22690de6669daec5bd61c14b4cf4fc82b

Aliases

arxiv: 1002.1452 · arxiv_version: 1002.1452v1 · doi: 10.48550/arxiv.1002.1452 · pith_short_12: G6AV3ZBSLX45 · pith_short_16: G6AV3ZBSLX45CDEQ · pith_short_8: G6AV3ZBS

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/G6AV3ZBSLX45CDEQMOTPAEGHUI \
  | 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: 37815de4325df9d10c9063a6f010c7a22690de6669daec5bd61c14b4cf4fc82b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e03be8a3ef6b6c558ab04e4456bb217986ed173f8102c8730f94b719cfe511f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-02-07T14:12:15Z",
    "title_canon_sha256": "77914c213d504242f8dc452dabb8dfd56a8579ed36235e9644cc51b7afe0b2c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1452",
    "kind": "arxiv",
    "version": 1
  }
}