Pith Number

pith:MQ5AMGUL

pith:1997:MQ5AMGULZYECEYHZVMJ3L7GBKQ

not attested not anchored not stored refs pending

Models for Chronology Selection

M. J. Cassidy, S. W. Hawking

arxiv:hep-th/9709066 v1 · 1997-09-09 · 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{MQ5AMGULZYECEYHZVMJ3L7GBKQ}

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	2026-07-04T16:05:42.623246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

643a061a8bce082260f9ab13b5fcc1540ec4cdf1f6ab220a35dd5722e0e21122

Aliases

arxiv: hep-th/9709066 · arxiv_version: hep-th/9709066v1 · doi: 10.48550/arxiv.hep-th/9709066 · pith_short_12: MQ5AMGULZYEC · pith_short_16: MQ5AMGULZYECEYHZ · pith_short_8: MQ5AMGUL

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/MQ5AMGULZYECEYHZVMJ3L7GBKQ \
  | 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: 643a061a8bce082260f9ab13b5fcc1540ec4cdf1f6ab220a35dd5722e0e21122

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0663ab60d19fce64625d41182b575f7e5d2caceeac5f0a6a25de53344b90fc73",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-09-09T08:07:13Z",
    "title_canon_sha256": "8b131aefce6694fa3d9ab7364fa39f1992d7d4be3e1ad30c7cfa15919f3be508"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9709066",
    "kind": "arxiv",
    "version": 1
  }
}