Pith Number

pith:7CDJZ2MN

pith:2007:7CDJZ2MNQBLWFKEYKUOV4RBZA4

not attested not anchored not stored refs pending

Black hole entropy in modified gravity models

E. Elizalde, F. Briscese

arxiv:0708.0432 v2 · 2007-08-02 · 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{7CDJZ2MNQBLWFKEYKUOV4RBZA4}

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	2026-07-04T15:24:32.462189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8869ce98d805762a898551d5e44390725aaea2fda1c1d3365489a8c9a9a0781

Aliases

arxiv: 0708.0432 · arxiv_version: 0708.0432v2 · doi: 10.48550/arxiv.0708.0432 · pith_short_12: 7CDJZ2MNQBLW · pith_short_16: 7CDJZ2MNQBLWFKEY · pith_short_8: 7CDJZ2MN

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/7CDJZ2MNQBLWFKEYKUOV4RBZA4 \
  | 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: f8869ce98d805762a898551d5e44390725aaea2fda1c1d3365489a8c9a9a0781

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57252e0a885c68febde2ee4a73cf410111acc58489c789e608cd062c440aa8ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2007-08-02T22:46:00Z",
    "title_canon_sha256": "934946e583ae820d374d8e56aac5a7430d2fbdc092779cd71337b5bbea7b6cf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0432",
    "kind": "arxiv",
    "version": 2
  }
}