Pith Number

pith:B7YHNDTK

pith:2008:B7YHNDTK54QHSHMIQKPJC3DSRQ

not attested not anchored not stored refs pending

Some 6-dimensional Hamiltonian S^1 manifolds

Dusa McDuff

arxiv:0808.3549 v2 · 2008-08-26 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7YHNDTK54QHSHMIQKPJC3DSRQ}

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	2026-05-18T02:58:11.225176Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff0768e6aef20791d88829e916c728c27aa56460be0db52213d4c9ada0400ac

Aliases

arxiv: 0808.3549 · arxiv_version: 0808.3549v2 · doi: 10.48550/arxiv.0808.3549 · pith_short_12: B7YHNDTK54QH · pith_short_16: B7YHNDTK54QHSHMI · pith_short_8: B7YHNDTK

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/B7YHNDTK54QHSHMIQKPJC3DSRQ \
  | 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: 0ff0768e6aef20791d88829e916c728c27aa56460be0db52213d4c9ada0400ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4994d17a19b9f72eb6cc27d3ba4bd2d60923fa471f35265e3a3219f535d9406",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2008-08-26T16:16:30Z",
    "title_canon_sha256": "dcd6455e80e7a73b472ac069c6c8e9f1a31e5e52ebcfec6e15227f48b6e7fd73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3549",
    "kind": "arxiv",
    "version": 2
  }
}