Pith Number

pith:SEZYACCB

pith:2012:SEZYACCBCPDFHOGH6ID2FVTXXD

not attested not anchored not stored refs pending

Formation and evolution of primordial protostellar systems

Naoki Yoshida, Paul C. Clark, Ralf S. Klessen, Rowan J. Smith, Simon C. O. Glover, Thomas H. Greif, Volker Bromm, Volker Springel

arxiv:1202.5552 v2 · 2012-02-24 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEZYACCBCPDFHOGH6ID2FVTXXD}

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	2026-05-18T01:58:19.801589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

913380084113c653b8c7f207a2d677b8e937d6c04f712a8ce74bdff2b48cfb6b

Aliases

arxiv: 1202.5552 · arxiv_version: 1202.5552v2 · doi: 10.48550/arxiv.1202.5552 · pith_short_12: SEZYACCBCPDF · pith_short_16: SEZYACCBCPDFHOGH · pith_short_8: SEZYACCB

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/SEZYACCBCPDFHOGH6ID2FVTXXD \
  | 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: 913380084113c653b8c7f207a2d677b8e937d6c04f712a8ce74bdff2b48cfb6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840a5e76f0273e89166e5f26d46bfd713f9c4370273cf17811a9d16f46121a1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-24T21:00:00Z",
    "title_canon_sha256": "a855aced2b7ad758d71a88273e825b9072d327cde613b2153f2afc0b6e93aab3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5552",
    "kind": "arxiv",
    "version": 2
  }
}