Pith Number

pith:NGAKS2BF

pith:2002:NGAKS2BF7OIXF5HBR6XYNOCX2Q

not attested not anchored not stored refs pending

Entangled Quantum Fields near the Event Horizon and Entropy

A. Iorio, G. Lambiase, G. Vitiello

arxiv:hep-th/0204034 v2 · 2002-04-03 · hep-th · gr-qc · 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{NGAKS2BF7OIXF5HBR6XYNOCX2Q}

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	2026-05-18T01:05:59.621241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6980a96825fb9172f4e18faf86b857d4224e3c2207c339c72a83f3f87755e829

Aliases

arxiv: hep-th/0204034 · arxiv_version: hep-th/0204034v2 · doi: 10.48550/arxiv.hep-th/0204034 · pith_short_12: NGAKS2BF7OIX · pith_short_16: NGAKS2BF7OIXF5HB · pith_short_8: NGAKS2BF

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/NGAKS2BF7OIXF5HBR6XYNOCX2Q \
  | 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: 6980a96825fb9172f4e18faf86b857d4224e3c2207c339c72a83f3f87755e829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8bf7e71063ea9e5e4d6c257ee2dac291c7889f795c87014e0f6233ce5f9915d",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-04-03T13:47:05Z",
    "title_canon_sha256": "725975c484ba6454338370754c90a6d01548bb7c75e803ba434831f34d86f647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0204034",
    "kind": "arxiv",
    "version": 2
  }
}