Pith Number

pith:U457JW2U

pith:2018:U457JW2UIEHL7CWLQJRFOGXFGJ

not attested not anchored not stored refs pending

Black Horizons and Integrability in String Theory

Andrea Fontanella

arxiv:1810.05434 v1 · 2018-10-12 · 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{U457JW2UIEHL7CWLQJRFOGXFGJ}

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	2026-05-18T00:03:30.587252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a73bf4db54410ebf8acb8262571ae5327656a97944f1dc55fe8a303335aa568b

Aliases

arxiv: 1810.05434 · arxiv_version: 1810.05434v1 · doi: 10.48550/arxiv.1810.05434 · pith_short_12: U457JW2UIEHL · pith_short_16: U457JW2UIEHL7CWL · pith_short_8: U457JW2U

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/U457JW2UIEHL7CWLQJRFOGXFGJ \
  | 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: a73bf4db54410ebf8acb8262571ae5327656a97944f1dc55fe8a303335aa568b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b71fed207aa6f5ae724e28e58d8438734d7a74fb0b5f864bb529838b62456959",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-10-12T09:54:18Z",
    "title_canon_sha256": "08f04e6e14d37b9f090859246f9003d6250c7e6bdd98e254dde4efefbb453aab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05434",
    "kind": "arxiv",
    "version": 1
  }
}