Pith Number

pith:X2D7V3JD

pith:2013:X2D7V3JDS4NAJQZDA74YQBIZ7R

not attested not anchored not stored refs pending

Evaporation of (quantum) black holes and energy conservation

F. Fayos, O. Lorente-Espin, R. Torres

arxiv:1308.4318 v1 · 2013-08-20 · 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{X2D7V3JDS4NAJQZDA74YQBIZ7R}

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	2026-05-18T01:48:13.409615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be87faed23971a04c32307f9880519fc69007b53924182058edaec78e918559a

Aliases

arxiv: 1308.4318 · arxiv_version: 1308.4318v1 · doi: 10.48550/arxiv.1308.4318 · pith_short_12: X2D7V3JDS4NA · pith_short_16: X2D7V3JDS4NAJQZD · pith_short_8: X2D7V3JD

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/X2D7V3JDS4NAJQZDA74YQBIZ7R \
  | 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: be87faed23971a04c32307f9880519fc69007b53924182058edaec78e918559a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9365b6b7167a06aebd8e54592852f82aaa5c553ccbe609eed69d84a601f07f8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-20T14:22:19Z",
    "title_canon_sha256": "bbfc129c6cebabdbde492c269940f56ec5d16d2240ccc4edb00030e5ac4d7de5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4318",
    "kind": "arxiv",
    "version": 1
  }
}