Pith Number

pith:EDUKEQ7L

pith:1999:EDUKEQ7LVVPW2AN53CNQTILZE6

not attested not anchored not stored refs pending

Higher-Derivative Quantum Cosmology

Simon Davis

arxiv:gr-qc/9911021 v2 · 1999-11-06 · 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{EDUKEQ7LVVPW2AN53CNQTILZE6}

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	2026-05-18T04:24:25.698735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e8a243ebad5f6d01bdd89b09a17927bc9fa6b0a664b7204f4f7416d8c1fa94

Aliases

arxiv: gr-qc/9911021 · arxiv_version: gr-qc/9911021v2 · doi: 10.48550/arxiv.gr-qc/9911021 · pith_short_12: EDUKEQ7LVVPW · pith_short_16: EDUKEQ7LVVPW2AN5 · pith_short_8: EDUKEQ7L

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/EDUKEQ7LVVPW2AN53CNQTILZE6 \
  | 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: 20e8a243ebad5f6d01bdd89b09a17927bc9fa6b0a664b7204f4f7416d8c1fa94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "854fe121b5f89b9065f9492e1f908a0a67a9736eadfe30a00e5f2779f42e0070",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-11-06T09:26:49Z",
    "title_canon_sha256": "9ac27f539907e8d1b2cefea9edbae8ae535138d5cfcafab0f94db094d131ac18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9911021",
    "kind": "arxiv",
    "version": 2
  }
}