Pith Number

pith:YHRU7OXR

pith:2001:YHRU7OXRT6CBWZ2ACOUZJ2G4EG

not attested not anchored not stored refs pending

Infinite Kinematic Self-Similarity and Perfect Fluid Spacetimes

Alan A. Coley, Alicia M. Sintes, Patricia M. Benoit

arxiv:gr-qc/0105007 v1 · 2001-05-02 · 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{YHRU7OXRT6CBWZ2ACOUZJ2G4EG}

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	2026-05-18T01:39:24.296053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e34fbaf19f841b674013a994e8dc21bbc96901901f3be3d7413f0eb771ae99

Aliases

arxiv: gr-qc/0105007 · arxiv_version: gr-qc/0105007v1 · doi: 10.48550/arxiv.gr-qc/0105007 · pith_short_12: YHRU7OXRT6CB · pith_short_16: YHRU7OXRT6CBWZ2A · pith_short_8: YHRU7OXR

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/YHRU7OXRT6CBWZ2ACOUZJ2G4EG \
  | 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: c1e34fbaf19f841b674013a994e8dc21bbc96901901f3be3d7413f0eb771ae99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b1850ef660b483803d0da77a8992a367c89c652ab973bfcc0dad792d9809881",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-05-02T15:10:52Z",
    "title_canon_sha256": "fde061f4e65fbb1c48147428e0dbf7b5b94097db6e54a53117dd5d58851d45b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0105007",
    "kind": "arxiv",
    "version": 1
  }
}