Pith Number

pith:TQPFWOKO

pith:2004:TQPFWOKOD5QR4ET6KDG2544D2A

not attested not anchored not stored refs pending

Poisson reduction and branes in Poisson-Sigma models

Fernando Falceto, Ivan Calvo

arxiv:hep-th/0405176 v2 · 2004-05-20 · hep-th · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQPFWOKOD5QR4ET6KDG2544D2A}

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	2026-05-18T01:38:46.235526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c1e5b394e1f611e127e50cdaef383d037364c6d78cd056b6341b3696b61a1c9

Aliases

arxiv: hep-th/0405176 · arxiv_version: hep-th/0405176v2 · doi: 10.48550/arxiv.hep-th/0405176 · pith_short_12: TQPFWOKOD5QR · pith_short_16: TQPFWOKOD5QR4ET6 · pith_short_8: TQPFWOKO

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/TQPFWOKOD5QR4ET6KDG2544D2A \
  | 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: 9c1e5b394e1f611e127e50cdaef383d037364c6d78cd056b6341b3696b61a1c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade21897ead2764784856902f284870c663d069e9df00f356a19ab93f2c8e562",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-05-20T11:30:22Z",
    "title_canon_sha256": "0c116976c175e536521c979818c63b7e0af412659954085eeabcc022e4c73136"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0405176",
    "kind": "arxiv",
    "version": 2
  }
}