Pith Number

pith:AWFUEJPO

pith:2013:AWFUEJPOBFBH2YU5DSN5YKMY3C

not attested not anchored not stored refs pending

Heavy Elements in the Early Galaxy

Birgitta Nordtr\"om, Johannes Andersen, Terese Hansen

arxiv:1301.7208 v1 · 2013-01-30 · 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{AWFUEJPOBFBH2YU5DSN5YKMY3C}

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	2026-05-18T03:35:00.939416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

058b4225ee09427d629d1c9bdc2998d89a1c7b22334451a902c8254ab1630b4a

Aliases

arxiv: 1301.7208 · arxiv_version: 1301.7208v1 · doi: 10.48550/arxiv.1301.7208 · pith_short_12: AWFUEJPOBFBH · pith_short_16: AWFUEJPOBFBH2YU5 · pith_short_8: AWFUEJPO

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/AWFUEJPOBFBH2YU5DSN5YKMY3C \
  | 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: 058b4225ee09427d629d1c9bdc2998d89a1c7b22334451a902c8254ab1630b4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c05d8d6393153449f4a218decadfe3c7c9fa6a8b37771d013313d1c3ad5d338e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-30T12:38:46Z",
    "title_canon_sha256": "62e91057c5232999642e118a646e84b52fe6ecc56ecbdd04bafd6085719b38eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7208",
    "kind": "arxiv",
    "version": 1
  }
}