Pith Number

pith:XP773IUD

pith:2011:XP773IUDRDTPHARYEI4X2FDEZF

not attested not anchored not stored refs pending

Newton's gravitational coupling constant from a quantum of area

F. R. Klinkhamer

arxiv:1101.5370 v6 · 2011-01-27 · hep-th · 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{XP773IUDRDTPHARYEI4X2FDEZF}

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	2026-05-18T02:03:21.191443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbfffda28388e6f3823822397d1464c96346588ddff810fb1e03870d5f2244c5

Aliases

arxiv: 1101.5370 · arxiv_version: 1101.5370v6 · doi: 10.48550/arxiv.1101.5370 · pith_short_12: XP773IUDRDTP · pith_short_16: XP773IUDRDTPHARY · pith_short_8: XP773IUD

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/XP773IUDRDTPHARYEI4X2FDEZF \
  | 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: bbfffda28388e6f3823822397d1464c96346588ddff810fb1e03870d5f2244c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ea2f7e4f30cfb71f3f42b780dd6ba678da3c23cdd3b017753e9a2071468e4c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-01-27T19:52:20Z",
    "title_canon_sha256": "676d66c9c37ce8ba9908df2049e1850caeb1c54246e7fff11bc5f3ccfe632954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5370",
    "kind": "arxiv",
    "version": 6
  }
}