Pith Number

pith:EMMQGYY3

pith:2013:EMMQGYY3M2LOC4IYAH5TSZZVRT

not attested not anchored not stored refs pending

Horizons of semiclassical black holes are cold

A.J.M. Medved, Ram Brustein

arxiv:1312.0880 v2 · 2013-12-03 · hep-th · 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{EMMQGYY3M2LOC4IYAH5TSZZVRT}

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	2026-05-18T01:45:59.153671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

231903631b6696e1711801fb3967358ce94ca45f6f3db2c9f6161542d8870099

Aliases

arxiv: 1312.0880 · arxiv_version: 1312.0880v2 · doi: 10.48550/arxiv.1312.0880 · pith_short_12: EMMQGYY3M2LO · pith_short_16: EMMQGYY3M2LOC4IY · pith_short_8: EMMQGYY3

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/EMMQGYY3M2LOC4IYAH5TSZZVRT \
  | 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: 231903631b6696e1711801fb3967358ce94ca45f6f3db2c9f6161542d8870099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d05ebe2d655465271a5ed9626f560ebc9282d4605371999cf97e073ea67f736",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-12-03T17:10:19Z",
    "title_canon_sha256": "d5364830f7d7f821b42c0a56517d9b3bc0f80511c4fd77b5f9ccc2728fc51b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0880",
    "kind": "arxiv",
    "version": 2
  }
}