Pith Number

pith:S66VEAQM

pith:2013:S66VEAQMVMXGKJNFAZGHVDEQOC

not attested not anchored not stored refs pending

An Uneventful Horizon in Two Dimensions

Ahmed Almheiri, James Sully

arxiv:1307.8149 v1 · 2013-07-30 · 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{S66VEAQMVMXGKJNFAZGHVDEQOC}

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	2026-05-18T01:48:32.521897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97bd52020cab2e6525a5064c7a8c907096a42ef5d38c0aef460aed90a75e6043

Aliases

arxiv: 1307.8149 · arxiv_version: 1307.8149v1 · doi: 10.48550/arxiv.1307.8149 · pith_short_12: S66VEAQMVMXG · pith_short_16: S66VEAQMVMXGKJNF · pith_short_8: S66VEAQM

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/S66VEAQMVMXGKJNFAZGHVDEQOC \
  | 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: 97bd52020cab2e6525a5064c7a8c907096a42ef5d38c0aef460aed90a75e6043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44edebb7fd1bbd50b06d4f7093aff411789bf8989274dee85adc640c5841472d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-30T21:06:16Z",
    "title_canon_sha256": "2c14511fc7246515028a9fd22f030b93dd4454b24c611d61b69d4b2e59b2eb3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8149",
    "kind": "arxiv",
    "version": 1
  }
}