Pith Number

pith:5BFB4ZY2

pith:2002:5BFB4ZY2VPOHAZUGYCRVXBSBTH

not attested not anchored not stored refs pending

Nonunitary HD gravity classically equivalent to Einstein gravity and its Newtonian limit

Filippo Maimone, Sergio De Filippo

arxiv:gr-qc/0207053 v1 · 2002-07-15 · gr-qc · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BFB4ZY2VPOHAZUGYCRVXBSBTH}

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	2026-05-18T04:17:53.037231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e84a1e671aabdc706686c0a35b864199cb249a4ba2fe2831817f8001a779042b

Aliases

arxiv: gr-qc/0207053 · arxiv_version: gr-qc/0207053v1 · doi: 10.48550/arxiv.gr-qc/0207053 · pith_short_12: 5BFB4ZY2VPOH · pith_short_16: 5BFB4ZY2VPOHAZUG · pith_short_8: 5BFB4ZY2

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/5BFB4ZY2VPOHAZUGYCRVXBSBTH \
  | 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: e84a1e671aabdc706686c0a35b864199cb249a4ba2fe2831817f8001a779042b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb827c3aa2777bea09dacbbbe474ebbf7897673217d1ae1bbf2e2c462fad999c",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-07-15T15:17:44Z",
    "title_canon_sha256": "0e8b76f71fdf3a721372e6b1168f8c47d4908a98f7823804649415112228ae2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0207053",
    "kind": "arxiv",
    "version": 1
  }
}