Pith Number

pith:GSRZPQOW

pith:2014:GSRZPQOWTCW2R35BHTJ3MTEIHA

not attested not anchored not stored refs pending

Gravitational instability in protostellar disks at low metallicities

Kazuyuki Omukai, Kei E. I. Tanaka

arxiv:1401.2993 v1 · 2014-01-13 · astro-ph.GA · astro-ph.CO · 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{GSRZPQOWTCW2R35BHTJ3MTEIHA}

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	2026-05-18T01:45:25.993033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34a397c1d698ada8efa13cd3b64c883810aedee916ec3c9c5416b83ecfa48113

Aliases

arxiv: 1401.2993 · arxiv_version: 1401.2993v1 · doi: 10.48550/arxiv.1401.2993 · pith_short_12: GSRZPQOWTCW2 · pith_short_16: GSRZPQOWTCW2R35B · pith_short_8: GSRZPQOW

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/GSRZPQOWTCW2R35BHTJ3MTEIHA \
  | 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: 34a397c1d698ada8efa13cd3b64c883810aedee916ec3c9c5416b83ecfa48113

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99584d107b016123257d5cfef4ca642e4851eead5f0886d71b33d376f8756b45",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-01-13T21:00:13Z",
    "title_canon_sha256": "b5e50d1facc9f95c974b5704d6a3c729728f570838bf961dd3fea53cdbe0c9fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2993",
    "kind": "arxiv",
    "version": 1
  }
}