Pith Number

pith:RZZD5M7J

pith:2013:RZZD5M7JXF2R3BNWPHCUTOT5ID

not attested not anchored not stored refs pending

Comment on "The entropy of a hole in spacetime"

Hristu Culetu

arxiv:1305.4248 v2 · 2013-05-18 · 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{RZZD5M7JXF2R3BNWPHCUTOT5ID}

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	2026-05-18T03:05:26.062048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e723eb3e9b9751d85b679c549ba7d40f86dff252a67ba1262059da5ffc0221e

Aliases

arxiv: 1305.4248 · arxiv_version: 1305.4248v2 · doi: 10.48550/arxiv.1305.4248 · pith_short_12: RZZD5M7JXF2R · pith_short_16: RZZD5M7JXF2R3BNW · pith_short_8: RZZD5M7J

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/RZZD5M7JXF2R3BNWPHCUTOT5ID \
  | 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: 8e723eb3e9b9751d85b679c549ba7d40f86dff252a67ba1262059da5ffc0221e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e68837dc8c4ea1202cb12763703bb5499fcb357036f938ca7acacffe42af4a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-18T10:33:03Z",
    "title_canon_sha256": "b2c431f503b1fa9dd87b5adf2c01237b23549de1803b08431de4d43fb697e897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4248",
    "kind": "arxiv",
    "version": 2
  }
}