Pith Number

pith:HZJR7YJ3

pith:2008:HZJR7YJ3CP7CEFBMVFXL3UGPOT

not attested not anchored not stored refs pending

Black hole entropy from entanglement: A review

ICG), Saurya Das (Lethbridge U.), Sourav Sur (Lethbridge U.), S. Shankaranarayanan (Portsmouth U.

arxiv:0806.0402 v1 · 2008-06-02 · gr-qc · 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{HZJR7YJ3CP7CEFBMVFXL3UGPOT}

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

Emergence of volume-law scaling for entanglement negativity from the Hawking radiation of analogue black holes

Receipt and verification

First computed	2026-05-18T01:10:24.013952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e531fe13b13fe22142ca96ebdd0cf74ec0e83ad611ab0b61d374dbf1722bd47

Aliases

arxiv: 0806.0402 · arxiv_version: 0806.0402v1 · doi: 10.48550/arxiv.0806.0402 · pith_short_12: HZJR7YJ3CP7C · pith_short_16: HZJR7YJ3CP7CEFBM · pith_short_8: HZJR7YJ3

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/HZJR7YJ3CP7CEFBMVFXL3UGPOT \
  | 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: 3e531fe13b13fe22142ca96ebdd0cf74ec0e83ad611ab0b61d374dbf1722bd47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b3cbfbe55f049b22360cd92c73a0cf0e66a3a9f27f7b8de846811a582b8f4e1",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-06-02T22:48:05Z",
    "title_canon_sha256": "eac6da3c857dc7eb0cb80ab8df7923ef3194db7dbdfd20f3424612642d7f5f68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.0402",
    "kind": "arxiv",
    "version": 1
  }
}