Pith Number

pith:DWGW3LYO

pith:2012:DWGW3LYOJLJY7TGRV6TO3Z2KK5

not attested not anchored not stored refs pending

Rotation and Internal Structure of Population III Protostars

A. Loeb, A. Stacy, R. S. Klessen, T. H. Greif, V. Bromm

arxiv:1209.1439 v2 · 2012-09-07 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DWGW3LYOJLJY7TGRV6TO3Z2KK5}

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	2026-05-18T01:54:38.988153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d8d6daf0e4ad38fccd1afa6ede74a576711ff9c6a88a95454dda5160f651f1b

Aliases

arxiv: 1209.1439 · arxiv_version: 1209.1439v2 · doi: 10.48550/arxiv.1209.1439 · pith_short_12: DWGW3LYOJLJY · pith_short_16: DWGW3LYOJLJY7TGR · pith_short_8: DWGW3LYO

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/DWGW3LYOJLJY7TGRV6TO3Z2KK5 \
  | 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: 1d8d6daf0e4ad38fccd1afa6ede74a576711ff9c6a88a95454dda5160f651f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c2ef47bcad5cb7b7c649812ba0299d67cf9822001752863903872dc023b8575",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-07T02:43:29Z",
    "title_canon_sha256": "89ebf873ec022c355e91b648d277945494fc2c75705f7194289019187299c088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1439",
    "kind": "arxiv",
    "version": 2
  }
}