Pith Number

pith:FTQB5KPJ

pith:2024:FTQB5KPJ4ENAVXLUTTB2ELRDOG

not attested not anchored not stored refs pending

Periodic symplectic and Hamiltonian diffeomorphisms on irrational ruled surfaces

Nicholas Lindsay, Weiyi Zhang

arxiv:2411.18580 v3 · 2024-11-27 · math.SG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTQB5KPJ4ENAVXLUTTB2ELRDOG}

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	2026-07-13T01:17:39.379976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce01ea9e9e11a0add749cc3a22e2371a795da731070dc781010d6f4aa67d616

Aliases

arxiv: 2411.18580 · arxiv_version: 2411.18580v3 · doi: 10.48550/arxiv.2411.18580 · pith_short_12: FTQB5KPJ4ENA · pith_short_16: FTQB5KPJ4ENAVXLU · pith_short_8: FTQB5KPJ

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/FTQB5KPJ4ENAVXLUTTB2ELRDOG \
  | 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: 2ce01ea9e9e11a0add749cc3a22e2371a795da731070dc781010d6f4aa67d616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82eb5774454b150ed8cab4b3c096fb07a1b76f1fbac024e2930cd7741c1a8042",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2024-11-27T18:24:39Z",
    "title_canon_sha256": "a1ca67f6e290bd3a1d0fc03a6be38e33d24fc72d7b2e7189f0aaa94de96eeda1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.18580",
    "kind": "arxiv",
    "version": 3
  }
}