Pith Number

pith:O2H3S3DO

pith:2003:O2H3S3DOCPD7O6TUKG5EZ3HSGE

not attested not anchored not stored refs pending

High Speed Dynamics of Collapsing Cylindrical Dust Fluid

Ken-ichi Nakao, Yoshiyuki Morisawa

arxiv:gr-qc/0304076 v2 · 2003-04-22 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2H3S3DOCPD7O6TUKG5EZ3HSGE}

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	2026-05-18T01:06:47.460853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

768fb96c6e13c7f77a7451ba4cecf23115879c456fc0df31104a954a6f00d67a

Aliases

arxiv: gr-qc/0304076 · arxiv_version: gr-qc/0304076v2 · doi: 10.48550/arxiv.gr-qc/0304076 · pith_short_12: O2H3S3DOCPD7 · pith_short_16: O2H3S3DOCPD7O6TU · pith_short_8: O2H3S3DO

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/O2H3S3DOCPD7O6TUKG5EZ3HSGE \
  | 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: 768fb96c6e13c7f77a7451ba4cecf23115879c456fc0df31104a954a6f00d67a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43848cb16cda8e7ec60da53d3ebfb1cdee381c81d2f40c150ba2aa3da9991e19",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-04-22T08:54:15Z",
    "title_canon_sha256": "3cd5df47f66783e14f677e9edddefe65a02c1658001a9a28477c706ccfa4df6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0304076",
    "kind": "arxiv",
    "version": 2
  }
}