Pith Number

pith:NKNUSP42

pith:2013:NKNUSP42ZI5XH53WNUZB3CEJLM

not attested not anchored not stored refs pending

Positive Topological Quantum Field Theories

Markus Banagl

arxiv:1303.4276 v1 · 2013-03-18 · math.QA · math-ph · 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{NKNUSP42ZI5XH53WNUZB3CEJLM}

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	2026-05-18T03:30:39.000404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9b493f9aca3b73f7766d321d88895b3d8e7785cbe905e67968fce542929288

Aliases

arxiv: 1303.4276 · arxiv_version: 1303.4276v1 · doi: 10.48550/arxiv.1303.4276 · pith_short_12: NKNUSP42ZI5X · pith_short_16: NKNUSP42ZI5XH53W · pith_short_8: NKNUSP42

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/NKNUSP42ZI5XH53WNUZB3CEJLM \
  | 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: 6a9b493f9aca3b73f7766d321d88895b3d8e7785cbe905e67968fce542929288

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63532753985dcf95ea65fef2428e1ff65822ab75fb4547de824ea3427576554c",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2013-03-18T15:01:16Z",
    "title_canon_sha256": "cdef83661134be5bd2afda19b21af6f36f219679fa1b86c5961ed703884bed34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4276",
    "kind": "arxiv",
    "version": 1
  }
}