Pith Number

pith:T45PN7TC

pith:2013:T45PN7TCMLOQDEMYJNLB3IXHCD

not attested not anchored not stored refs pending

Log-TQFT and torsion

Simon Scott

arxiv:1306.6941 v6 · 2013-06-28 · math.AT · math-ph · math.AP · math.CT · math.DG · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T45PN7TCMLOQDEMYJNLB3IXHCD}

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	2026-05-18T01:21:38.305511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f3af6fe6262dd0191984b561da2e710d269d8af84a53dc74351aa762d4e055e

Aliases

arxiv: 1306.6941 · arxiv_version: 1306.6941v6 · doi: 10.48550/arxiv.1306.6941 · pith_short_12: T45PN7TCMLOQ · pith_short_16: T45PN7TCMLOQDEMY · pith_short_8: T45PN7TC

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/T45PN7TCMLOQDEMYJNLB3IXHCD \
  | 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: 9f3af6fe6262dd0191984b561da2e710d269d8af84a53dc74351aa762d4e055e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7efa15b45376aca6947c9a4d24d662cbee4e4499fdb0e320722dfe944289fb79",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.CT",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-06-28T19:57:00Z",
    "title_canon_sha256": "be1de0d43874a331386ba9b6416e279c6189eb54e8a6cc3f7292d11109a949a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6941",
    "kind": "arxiv",
    "version": 6
  }
}