Pith Number

pith:HF53CY5D

pith:2008:HF53CY5DL676PSSTRBAZJ3UDPF

not attested not anchored not stored refs pending

A locally finite model for gravity

Gerard 't Hooft

arxiv:0804.0328 v1 · 2008-04-02 · 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{HF53CY5DL676PSSTRBAZJ3UDPF}

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

Forecasting graviton-mass constraints from the full covariance of PTA-astrometry ORF estimators

Receipt and verification

First computed	2026-07-04T15:29:58.298421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

397bb163a35fbfe7ca53884194ee83794a8cbbac9d500ecbd39f52e3107b4dbc

Aliases

arxiv: 0804.0328 · arxiv_version: 0804.0328v1 · doi: 10.48550/arxiv.0804.0328 · pith_short_12: HF53CY5DL676 · pith_short_16: HF53CY5DL676PSST · pith_short_8: HF53CY5D

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/HF53CY5DL676PSSTRBAZJ3UDPF \
  | 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: 397bb163a35fbfe7ca53884194ee83794a8cbbac9d500ecbd39f52e3107b4dbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af1b829e8a41f12d5c28196538ae04009e879acbb4b5addea23615565d0773a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-04-02T11:11:28Z",
    "title_canon_sha256": "43044b9517202f88872a2997290096615887764d52145ea9fdc89f5a4643cc17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0328",
    "kind": "arxiv",
    "version": 1
  }
}