Pith Number

pith:7RFW2QQQ

pith:2008:7RFW2QQQOKBYMNLKV6WU5ZPDU2

not attested not anchored not stored refs pending

Holographic entanglement entropy probes (non)locality

Carlos A. Fuertes, Jose L.F. Barbon

arxiv:0803.1928 v2 · 2008-03-13 · hep-th · 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{7RFW2QQQOKBYMNLKV6WU5ZPDU2}

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	2026-07-04T17:16:14.631256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc4b6d4210728386356aafad4ee5e3a691dfb83b8423fc5bf06e3ef99e86a88b

Aliases

arxiv: 0803.1928 · arxiv_version: 0803.1928v2 · doi: 10.48550/arxiv.0803.1928 · pith_short_12: 7RFW2QQQOKBY · pith_short_16: 7RFW2QQQOKBYMNLK · pith_short_8: 7RFW2QQQ

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/7RFW2QQQOKBYMNLKV6WU5ZPDU2 \
  | 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: fc4b6d4210728386356aafad4ee5e3a691dfb83b8423fc5bf06e3ef99e86a88b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "953957bf62c6225514870973f91b14906212c2887769775bc0cb930c7c72580d",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-03-13T19:58:26Z",
    "title_canon_sha256": "3de52a771e8d3334a2a02c16717adc12429f6fc3f09611c46b3bc35400475817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.1928",
    "kind": "arxiv",
    "version": 2
  }
}