Pith Number

pith:QSR2EY4R

pith:2018:QSR2EY4R6ONJ53FTVZ3S6YOP7K

not attested not anchored not stored refs pending

Holographic Entanglement Entropy and the (3+1)-dimensional Topological Black Hole

Alex Flournoy, Zachary Polonsky

arxiv:1808.00867 v2 · 2018-08-02 · 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{QSR2EY4R6ONJ53FTVZ3S6YOP7K}

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	2026-05-18T00:05:36.938053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a3a26391f39a9eecb3ae772f61cffaa3e7678726a49d0c18a9d6cea46df09b

Aliases

arxiv: 1808.00867 · arxiv_version: 1808.00867v2 · doi: 10.48550/arxiv.1808.00867 · pith_short_12: QSR2EY4R6ONJ · pith_short_16: QSR2EY4R6ONJ53FT · pith_short_8: QSR2EY4R

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/QSR2EY4R6ONJ53FTVZ3S6YOP7K \
  | 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: 84a3a26391f39a9eecb3ae772f61cffaa3e7678726a49d0c18a9d6cea46df09b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "235567e80cc9114759136956f7b91724231fc655c118f9ee0b90348bd7b6c59b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-08-02T15:48:29Z",
    "title_canon_sha256": "8b02526358f8cfc2bb27435d683ad6c8ccd8c0bb4b2e337aa2f532771790ba5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00867",
    "kind": "arxiv",
    "version": 2
  }
}