Pith Number

pith:CFGS55WM

pith:2001:CFGS55WMYWOH23UW42IUO7CT6L

not attested not anchored not stored refs pending

Null cone preserving maps, causal tensors and algebraic Rainich theory

G. Bergqvist, J.M.M. Senovilla

arxiv:gr-qc/0104090 v1 · 2001-04-26 · gr-qc · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFGS55WMYWOH23UW42IUO7CT6L}

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.

Cited by

1 paper in Pith

The Kiselev black hole is neither perfect fluid, nor is it quintessence

Receipt and verification

First computed	2026-07-04T16:26:54.066080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

114d2ef6ccc59c7d6e96e691477c53f2ded3254903023ca0a5566f3d41e5c154

Aliases

arxiv: gr-qc/0104090 · arxiv_version: gr-qc/0104090v1 · doi: 10.48550/arxiv.gr-qc/0104090 · pith_short_12: CFGS55WMYWOH · pith_short_16: CFGS55WMYWOH23UW · pith_short_8: CFGS55WM

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/CFGS55WMYWOH23UW42IUO7CT6L \
  | 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: 114d2ef6ccc59c7d6e96e691477c53f2ded3254903023ca0a5566f3d41e5c154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b30a9ebf89efb17342fa00f8766c5be3bf9cfb90b1ccda3489da3e0f5ef1db58",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-04-26T15:46:23Z",
    "title_canon_sha256": "ee01ddd38e39facc5bfed1191a9aa16d92a21cc83a2f999c119c24e5e1cc4dcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0104090",
    "kind": "arxiv",
    "version": 1
  }
}