Pith Number

pith:PLMP6PP5

pith:2000:PLMP6PP55FUOS634ZGCBXKONZC

not attested not anchored not stored refs pending

M theory as a matrix extension of Chern-Simons theory

Lee Smolin

arxiv:hep-th/0002009 v1 · 2000-02-01 · 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{PLMP6PP55FUOS634ZGCBXKONZC}

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	2026-05-18T02:36:13.210927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ad8ff3dfde968e97b7cc9841ba9cdc8aa316cebd3735cc43b6d89a3f23adc3b

Aliases

arxiv: hep-th/0002009 · arxiv_version: hep-th/0002009v1 · doi: 10.48550/arxiv.hep-th/0002009 · pith_short_12: PLMP6PP55FUO · pith_short_16: PLMP6PP55FUOS634 · pith_short_8: PLMP6PP5

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/PLMP6PP55FUOS634ZGCBXKONZC \
  | 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: 7ad8ff3dfde968e97b7cc9841ba9cdc8aa316cebd3735cc43b6d89a3f23adc3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f7743b8061395c4927182e60c9a3c67fe6de2fd4bf95929dd6e2a9a503db3d9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-02-01T21:19:40Z",
    "title_canon_sha256": "2b83feedea8c2d214e51c6c3abedc9d97e4d62d691411a6cc3fc9de995df6b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0002009",
    "kind": "arxiv",
    "version": 1
  }
}