Pith Number

pith:YRGG44FX

pith:2014:YRGG44FXJATQA22Z5R565S7XCJ

not attested not anchored not stored refs pending

Statistical and entanglement entropy for black holes in quantum geometry

Alejandro Perez

arxiv:1405.7287 v2 · 2014-05-28 · 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{YRGG44FXJATQA22Z5R565S7XCJ}

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	2026-05-18T02:40:10.446076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c44c6e70b74827006b59ec7beecbf71263db7f2790c55c7278697819d6e2a946

Aliases

arxiv: 1405.7287 · arxiv_version: 1405.7287v2 · doi: 10.48550/arxiv.1405.7287 · pith_short_12: YRGG44FXJATQ · pith_short_16: YRGG44FXJATQA22Z · pith_short_8: YRGG44FX

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/YRGG44FXJATQA22Z5R565S7XCJ \
  | 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: c44c6e70b74827006b59ec7beecbf71263db7f2790c55c7278697819d6e2a946

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e8d4a160899e9fecb78c96ed1beaa1ca9b9da155aba3d894a5238a9c6ce18e1",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-28T16:03:26Z",
    "title_canon_sha256": "28dbcd95ffdd0b4c6ecf5be4c4565efa5b3db2e5991c6d4c34767f83840bad8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7287",
    "kind": "arxiv",
    "version": 2
  }
}