Pith Number

pith:XGQM6ZVR

pith:2004:XGQM6ZVRCADWCCQO2RV7TGHKFM

not attested not anchored not stored refs pending

de Sitter attractors in generalized gravity

Valerio Faraoni

arxiv:gr-qc/0407021 v1 · 2004-07-06 · 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{XGQM6ZVRCADWCCQO2RV7TGHKFM}

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	2026-07-04T16:47:46.126647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9a0cf66b11007610a0ed46bf998ea2b0584bab5d093badcae148e4189639435

Aliases

arxiv: gr-qc/0407021 · arxiv_version: gr-qc/0407021v1 · doi: 10.48550/arxiv.gr-qc/0407021 · pith_short_12: XGQM6ZVRCADW · pith_short_16: XGQM6ZVRCADWCCQO · pith_short_8: XGQM6ZVR

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/XGQM6ZVRCADWCCQO2RV7TGHKFM \
  | 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: b9a0cf66b11007610a0ed46bf998ea2b0584bab5d093badcae148e4189639435

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62531ae5dbcf19bf985a0b9ab885e382259e94877728d97a8897ee06378050f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-07-06T06:01:45Z",
    "title_canon_sha256": "c925c66f317328af43aa366222a776abd1105894fd2499f3f590c223c07065ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0407021",
    "kind": "arxiv",
    "version": 1
  }
}