Pith Number

pith:YTFLYDBH

pith:2014:YTFLYDBHXHCT4JYU3DBX3JBNIR

not attested not anchored not stored refs pending

Horizon entropy with loop quantum gravity methods

Daniele Pranzetti, Hanno Sahlmann

arxiv:1412.7435 v2 · 2014-12-23 · 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{YTFLYDBHXHCT4JYU3DBX3JBNIR}

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	2026-05-18T02:07:26.651581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4cabc0c27b9c53e2714d8c37da42d444514e76a51d048623bdce77a23fd8159

Aliases

arxiv: 1412.7435 · arxiv_version: 1412.7435v2 · doi: 10.48550/arxiv.1412.7435 · pith_short_12: YTFLYDBHXHCT · pith_short_16: YTFLYDBHXHCT4JYU · pith_short_8: YTFLYDBH

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/YTFLYDBHXHCT4JYU3DBX3JBNIR \
  | 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: c4cabc0c27b9c53e2714d8c37da42d444514e76a51d048623bdce77a23fd8159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5880243f0b9a27b55b8c202a14b4c74c152d7e6112e920ec0a5fc3b16edc0c6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-12-23T16:34:42Z",
    "title_canon_sha256": "6b04f76cf1f08e2c2ce5b3dcd56d00f763aa4b7fc5611b50fb075bde6b7dba00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7435",
    "kind": "arxiv",
    "version": 2
  }
}