Pith Number

pith:XYPRHZ27

pith:2013:XYPRHZ27T4BLYN6FP3GRKRNHDI

not attested not anchored not stored refs pending

Universal Property of Quantum Gravity implied by Bekenstein-Hawking Entropy and Boltzmann formula

Hiromi Saida

arxiv:1301.1109 v1 · 2013-01-07 · 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{XYPRHZ27T4BLYN6FP3GRKRNHDI}

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	2026-05-18T01:52:21.191920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be1f13e75f9f02bc37c57ecd1545a71a23a9c9e1c3cc6344614381b51bb83c1c

Aliases

arxiv: 1301.1109 · arxiv_version: 1301.1109v1 · doi: 10.48550/arxiv.1301.1109 · pith_short_12: XYPRHZ27T4BL · pith_short_16: XYPRHZ27T4BLYN6F · pith_short_8: XYPRHZ27

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/XYPRHZ27T4BLYN6FP3GRKRNHDI \
  | 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: be1f13e75f9f02bc37c57ecd1545a71a23a9c9e1c3cc6344614381b51bb83c1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "547088048f0cb088510492cc23986194e760c790958cc3901756688417eee3e2",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-07T04:37:24Z",
    "title_canon_sha256": "42e5e75e2b9307c4a210836bf897eb11e0576ee9279e272daa4cc35ca8d1ce9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1109",
    "kind": "arxiv",
    "version": 1
  }
}