Pith Number

pith:UVLU7ZXG

pith:1996:UVLU7ZXGJWB3KILWYWCSE5UJPH

not attested not anchored not stored refs pending

Exotic smoothness and particle physics

Jan Sladkowski

arxiv:hep-th/9604137 v1 · 1996-04-23 · 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{UVLU7ZXGJWB3KILWYWCSE5UJPH}

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	2026-05-18T04:24:15.933102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5574fe6e64d83b52176c58522768979f7c53bd0654a14a07de7ff54937d37d4

Aliases

arxiv: hep-th/9604137 · arxiv_version: hep-th/9604137v1 · doi: 10.48550/arxiv.hep-th/9604137 · pith_short_12: UVLU7ZXGJWB3 · pith_short_16: UVLU7ZXGJWB3KILW · pith_short_8: UVLU7ZXG

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/UVLU7ZXGJWB3KILWYWCSE5UJPH \
  | 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: a5574fe6e64d83b52176c58522768979f7c53bd0654a14a07de7ff54937d37d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca3765aecc2ab58fdbb256fde0b9fdc4d5432a806285bcdb6457d955b9bb4089",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1996-04-23T00:37:18Z",
    "title_canon_sha256": "6b751d8e9537e6924abb59aaf5b185881e66416ef8d42d6d4b75606244e859f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9604137",
    "kind": "arxiv",
    "version": 1
  }
}