Pith Number

pith:M5TNXNCP

pith:2018:M5TNXNCPJ65XEYO5MWKHUBU67H

not attested not anchored not stored refs pending

Four-dimensional black hole entropy from F-theory

Huibert het Lam, Kilian Mayer, Stefan Vandoren, Thomas W. Grimm

arxiv:1808.05228 v2 · 2018-08-15 · 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{M5TNXNCPJ65XEYO5MWKHUBU67H}

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	2026-05-17T23:49:57.072153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6766dbb44f4fbb7261dd65947a069ef9dc55aea86fb61a383c784fadada6a508

Aliases

arxiv: 1808.05228 · arxiv_version: 1808.05228v2 · doi: 10.48550/arxiv.1808.05228 · pith_short_12: M5TNXNCPJ65X · pith_short_16: M5TNXNCPJ65XEYO5 · pith_short_8: M5TNXNCP

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/M5TNXNCPJ65XEYO5MWKHUBU67H \
  | 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: 6766dbb44f4fbb7261dd65947a069ef9dc55aea86fb61a383c784fadada6a508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2121d117069c2e018b90127f32cfcc1eb839057ea38edc2f4d3d401ed6c127fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-08-15T18:00:07Z",
    "title_canon_sha256": "2be5d8e15722bdf4b9ee02e4c42d728912e58c2eb1ef0cfd63cb40530c583cea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05228",
    "kind": "arxiv",
    "version": 2
  }
}