Pith Number

pith:O4IQ66A2

pith:2013:O4IQ66A2LU3DDUIADNJV633WSU

not attested not anchored not stored refs pending

Icezones instead of firewalls: extended entanglement beyond the event horizon and unitary evaporation of a black hole

Dejan Stojkovic, John Hutchinson

arxiv:1307.5861 v3 · 2013-07-22 · 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{O4IQ66A2LU3DDUIADNJV633WSU}

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	2026-05-18T01:11:38.944627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77110f781a5d3631d1001b535f6f769521499ec4ea2a81355a1aa075de7321b8

Aliases

arxiv: 1307.5861 · arxiv_version: 1307.5861v3 · doi: 10.48550/arxiv.1307.5861 · pith_short_12: O4IQ66A2LU3D · pith_short_16: O4IQ66A2LU3DDUIA · pith_short_8: O4IQ66A2

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/O4IQ66A2LU3DDUIADNJV633WSU \
  | 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: 77110f781a5d3631d1001b535f6f769521499ec4ea2a81355a1aa075de7321b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3485a8ee41b3499feea88c9cabda13fea82326e658248a19375c87be78d2679",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-22T20:01:09Z",
    "title_canon_sha256": "fbbf4bcc16745da12bb3cdf866a7eda0185d38ee87f7d43671efb8b43fe657b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5861",
    "kind": "arxiv",
    "version": 3
  }
}