Pith Number

pith:76OLV3D4

pith:2008:76OLV3D4IFX5TOQNZCIVI5NFRE

not attested not anchored not stored refs pending

Remarks on the entanglement entropy for disconnected regions

H. Casini, M. Huerta

arxiv:0812.1773 v2 · 2008-12-09 · 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{76OLV3D4IFX5TOQNZCIVI5NFRE}

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

5 papers in Pith

Complexity Inequalities for Quantum Subsystems

Holography and Kinematic Space for Gravitational Sub-regions in AdS

Lectures on entanglement entropy in field theory and holography

Mutual Information from Modular Flow in General CFTs

Receipt and verification

First computed	2026-07-04T15:49:45.444972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff9cbaec7c416fd9ba0dc8915475a5891204fceab64119ac903335e863367782

Aliases

arxiv: 0812.1773 · arxiv_version: 0812.1773v2 · doi: 10.48550/arxiv.0812.1773 · pith_short_12: 76OLV3D4IFX5 · pith_short_16: 76OLV3D4IFX5TOQN · pith_short_8: 76OLV3D4

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/76OLV3D4IFX5TOQNZCIVI5NFRE \
  | 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: ff9cbaec7c416fd9ba0dc8915475a5891204fceab64119ac903335e863367782

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00355d0edccc5eb56604dd51ba255020f881deabd58f36c2eee9ee556a59fc4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-12-09T18:57:05Z",
    "title_canon_sha256": "d8f7a3125292048ab44bae75d5e18b7e175ce74f1b4751491e68b3c2c4b23551"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1773",
    "kind": "arxiv",
    "version": 2
  }
}