Pith Number

pith:KWYNURNQ

pith:1998:KWYNURNQBSWKDTW55YR2Q7CT7I

not attested not anchored not stored refs pending

Towards a background independent approach to M theory

Lee Smolin

arxiv:hep-th/9808192 v1 · 1998-08-31 · 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{KWYNURNQBSWKDTW55YR2Q7CT7I}

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	2026-05-18T01:38:36.776394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b0da45b00caca1ceddee23a87c53fa20c33d1a9115865d940858cda791c794

Aliases

arxiv: hep-th/9808192 · arxiv_version: hep-th/9808192v1 · doi: 10.48550/arxiv.hep-th/9808192 · pith_short_12: KWYNURNQBSWK · pith_short_16: KWYNURNQBSWKDTW5 · pith_short_8: KWYNURNQ

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/KWYNURNQBSWKDTW55YR2Q7CT7I \
  | 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: 55b0da45b00caca1ceddee23a87c53fa20c33d1a9115865d940858cda791c794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2309c7ffbdd67d6814abd676c7bea0de9c86f6944cddb4125f89a70952de3774",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1998-08-31T21:39:59Z",
    "title_canon_sha256": "a30dd19261e01b1f82a0f4e31d7212d4499ef066afe22a6d74386177d891e054"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9808192",
    "kind": "arxiv",
    "version": 1
  }
}