Pith Number

pith:NOGYAFRP

pith:2006:NOGYAFRPANEL4N5L3VDRT3A2AV

not attested not anchored not stored refs pending

Universal terms for the entanglement entropy in 2+1 dimensions

H. Casini, M. Huerta

arxiv:hep-th/0606256 v4 · 2006-06-27 · hep-th · cond-mat.other · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NOGYAFRPANEL4N5L3VDRT3A2AV}

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.

Cited by

1 paper in Pith

Finite entropy sums in quantum field theory

Receipt and verification

First computed	2026-07-04T15:17:13.609902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b8d80162f0348be37abdd4719ec1a057ef478e70fc08e1d840bf2b25606ce92

Aliases

arxiv: hep-th/0606256 · arxiv_version: hep-th/0606256v4 · doi: 10.48550/arxiv.hep-th/0606256 · pith_short_12: NOGYAFRPANEL · pith_short_16: NOGYAFRPANEL4N5L · pith_short_8: NOGYAFRP

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/NOGYAFRPANEL4N5L3VDRT3A2AV \
  | 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: 6b8d80162f0348be37abdd4719ec1a057ef478e70fc08e1d840bf2b25606ce92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc44c24955cb9a5965bfdda62feb4b95d9a50a7a93e8a8248a86af3dcaf71951",
    "cross_cats_sorted": [
      "cond-mat.other",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2006-06-27T14:56:37Z",
    "title_canon_sha256": "43ae1affb1eb39a1a308f49ce9f6c082b09fe6f468bc25a56cb4c946b3106270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0606256",
    "kind": "arxiv",
    "version": 4
  }
}