Pith Number

pith:PUA3ZC6C

pith:2013:PUA3ZC6CV6WAPYU7C43CEUFWBX

not attested not anchored not stored refs pending

Entanglement entropy of spherical domains in anti-de Sitter space

Andrei Zelnikov, Pavel Krtous

arxiv:1311.1685 v2 · 2013-11-07 · 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{PUA3ZC6CV6WAPYU7C43CEUFWBX}

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	2026-05-18T02:50:03.154417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d01bc8bc2afac07e29f17362250b60de362816d160e32238913dc8d898a21d6

Aliases

arxiv: 1311.1685 · arxiv_version: 1311.1685v2 · doi: 10.48550/arxiv.1311.1685 · pith_short_12: PUA3ZC6CV6WA · pith_short_16: PUA3ZC6CV6WAPYU7 · pith_short_8: PUA3ZC6C

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/PUA3ZC6CV6WAPYU7C43CEUFWBX \
  | 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: 7d01bc8bc2afac07e29f17362250b60de362816d160e32238913dc8d898a21d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8222f5eb54ad81add9e05680040f61a3a027f88928c29968699f9d637dca2fc",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-11-07T13:56:58Z",
    "title_canon_sha256": "01bf4e8d758cb6ce96d429fca4d3604460792b499137613dc8fbca717b4c9ad0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1685",
    "kind": "arxiv",
    "version": 2
  }
}