Pith Number

pith:56VGIAB5

pith:2004:56VGIAB55YIMSP4QXGID46BD7X

not attested not anchored not stored refs pending

Evolution of massive and magnetized protoplanetary disks

Caroline Terquem, Jean-Pierre De Villiers, Sebastien Fromang, Steven A. Balbus

arxiv:astro-ph/0402373 v1 · 2004-02-16 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56VGIAB55YIMSP4QXGID46BD7X}

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	2026-07-04T14:13:20.991698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efaa64003dee10c93f90b9903e7823fdcea9aa89cd86753b0cad704d7582883a

Aliases

arxiv: astro-ph/0402373 · arxiv_version: astro-ph/0402373v1 · doi: 10.48550/arxiv.astro-ph/0402373 · pith_short_12: 56VGIAB55YIM · pith_short_16: 56VGIAB55YIMSP4Q · pith_short_8: 56VGIAB5

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/56VGIAB55YIMSP4QXGID46BD7X \
  | 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: efaa64003dee10c93f90b9903e7823fdcea9aa89cd86753b0cad704d7582883a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c67df4fa49f5cde2891c17251da87ceb559d31c2a2cee4f7718773993aca42a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-16T16:10:04Z",
    "title_canon_sha256": "cb32d7c3e9a8ee9ed95ba8349931157e132cab554b1361eab710013cc0c1089e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402373",
    "kind": "arxiv",
    "version": 1
  }
}