Pith Number

pith:6FQRSRY3

pith:2010:6FQRSRY3ZC4SBTNURJGZDTU5MV

not attested not anchored not stored refs pending

Self-Relative (or Machian) Information: Entropy-Area Relation

Nima Khosravi

arxiv:1002.4120 v1 · 2010-02-22 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FQRSRY3ZC4SBTNURJGZDTU5MV}

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	2026-05-18T04:30:58.001573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f16119471bc8b920cdb48a4d91ce9d655e73794f813e2924d2e1e3ae5d3b24df

Aliases

arxiv: 1002.4120 · arxiv_version: 1002.4120v1 · doi: 10.48550/arxiv.1002.4120 · pith_short_12: 6FQRSRY3ZC4S · pith_short_16: 6FQRSRY3ZC4SBTNU · pith_short_8: 6FQRSRY3

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/6FQRSRY3ZC4SBTNURJGZDTU5MV \
  | 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: f16119471bc8b920cdb48a4d91ce9d655e73794f813e2924d2e1e3ae5d3b24df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b64ae391a4cd0fd004466d2546fc75222362171c510d7c41aab30dab7553a5",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-02-22T14:08:45Z",
    "title_canon_sha256": "d3acc133f75a3b20509b396c8524c067f42c1c4324b29803c20ac2ce35d2073c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4120",
    "kind": "arxiv",
    "version": 1
  }
}