Pith Number

pith:GNVVOQTT

pith:2011:GNVVOQTTDIBQVLFCN5KNUFNPKO

not attested not anchored not stored refs pending

Exact Poisson pencils, $\tau$-structures and topological hierarchies

Gregorio Falqui, Paolo Lorenzoni

arxiv:1106.1546 v2 · 2011-06-08 · nlin.SI · 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{GNVVOQTTDIBQVLFCN5KNUFNPKO}

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	2026-05-18T04:05:47.651217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

336b5742731a030aaca26f54da15af539d3c7a3d1487d12ccd5c2bb7ece0dc1d

Aliases

arxiv: 1106.1546 · arxiv_version: 1106.1546v2 · doi: 10.48550/arxiv.1106.1546 · pith_short_12: GNVVOQTTDIBQ · pith_short_16: GNVVOQTTDIBQVLFC · pith_short_8: GNVVOQTT

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/GNVVOQTTDIBQVLFCN5KNUFNPKO \
  | 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: 336b5742731a030aaca26f54da15af539d3c7a3d1487d12ccd5c2bb7ece0dc1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9bf26c90f75430c39d658d4c2c808e48faac38f22fff8b4390e4a523c1eaff3",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2011-06-08T12:15:48Z",
    "title_canon_sha256": "2a3a659e3ff1fc831a756eb03747edace2270626c81aa1b7255ef3e58fef90fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1546",
    "kind": "arxiv",
    "version": 2
  }
}