Pith Number

pith:FC5HBOIH

pith:2012:FC5HBOIHDVUSKVYDKWZI5NHEJL

not attested not anchored not stored refs pending

Star formation in metal-poor gas clouds

Paul C. Clark, Simon C. O. Glover

arxiv:1203.4251 v2 · 2012-03-19 · 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{FC5HBOIHDVUSKVYDKWZI5NHEJL}

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	2026-05-18T01:58:05.894387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ba70b9071d6925570355b28eb4e44aff2abe1b186f4ad424611bd5a52b7b32

Aliases

arxiv: 1203.4251 · arxiv_version: 1203.4251v2 · doi: 10.48550/arxiv.1203.4251 · pith_short_12: FC5HBOIHDVUS · pith_short_16: FC5HBOIHDVUSKVYD · pith_short_8: FC5HBOIH

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/FC5HBOIHDVUSKVYDKWZI5NHEJL \
  | 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: 28ba70b9071d6925570355b28eb4e44aff2abe1b186f4ad424611bd5a52b7b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d8da7f4938e465eddb082c653797c3ae9933345eed0bdcd9b9a3a512ec01cce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-19T20:35:03Z",
    "title_canon_sha256": "d49c5f6431372697633adc363d43605dbdbfbe03ff4cb25164e78cf49de933d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4251",
    "kind": "arxiv",
    "version": 2
  }
}