Pith Number

pith:DU7V4CGA

pith:2012:DU7V4CGAPQQHHDJYD3LZIRZJGY

not attested not anchored not stored refs pending

Comment on "Empty Black Holes, Firewalls, and the Origin of Bekenstein-Hawking Entropy"

Hristu Culetu

arxiv:1212.6877 v1 · 2012-12-31 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DU7V4CGAPQQHHDJYD3LZIRZJGY}

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	2026-05-18T03:37:29.613268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3f5e08c07c20738d381ed794472936229f08870e6f79ceb281eafa4f6d0fd1

Aliases

arxiv: 1212.6877 · arxiv_version: 1212.6877v1 · doi: 10.48550/arxiv.1212.6877 · pith_short_12: DU7V4CGAPQQH · pith_short_16: DU7V4CGAPQQHHDJY · pith_short_8: DU7V4CGA

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/DU7V4CGAPQQHHDJYD3LZIRZJGY \
  | 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: 1d3f5e08c07c20738d381ed794472936229f08870e6f79ceb281eafa4f6d0fd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8652b712b5293eaea161a7007614171dbe4bcdf797b5a44422aad6981dbc429b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-12-31T12:33:11Z",
    "title_canon_sha256": "dc24d5fb6d19228e1f7d9388204b76a57a870fb671d6f83108bc5181d213b7a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6877",
    "kind": "arxiv",
    "version": 1
  }
}