Pith Number

pith:NFSA4BEB

pith:2003:NFSA4BEBRDAEXES24OLH236OZN

not attested not anchored not stored refs pending

Generating Cosmological Solutions from Known Solutions

Hernando Quevedo, Jr., Michael P. Ryan

arxiv:gr-qc/0305001 v1 · 2003-05-01 · 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{NFSA4BEBRDAEXES24OLH236OZN}

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	2026-05-18T03:47:41.808846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69640e048188c04b925ae3967d6fcecb5def11726eaba63b9b05f2728fd01bae

Aliases

arxiv: gr-qc/0305001 · arxiv_version: gr-qc/0305001v1 · doi: 10.48550/arxiv.gr-qc/0305001 · pith_short_12: NFSA4BEBRDAE · pith_short_16: NFSA4BEBRDAEXES2 · pith_short_8: NFSA4BEB

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/NFSA4BEBRDAEXES24OLH236OZN \
  | 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: 69640e048188c04b925ae3967d6fcecb5def11726eaba63b9b05f2728fd01bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0e4462540b4269ddfc1a1684cdf56f9a761c66eb9f7ae6078d11e9f784a1735",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-05-01T01:15:47Z",
    "title_canon_sha256": "8fc05acbb67cbc32c0991ac0947e51e93c6858d4a0891143242b568bc809e5aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0305001",
    "kind": "arxiv",
    "version": 1
  }
}