Pith Number

pith:2LXKGBOB

pith:2017:2LXKGBOB7K36VRUYCQRT2PNLFF

not attested not anchored not stored refs pending

An Invitation to Singular Symplectic Geometry

Amadeu Delshams, Arnau Planas, C\'edric Oms, Eva Miranda, Roisin Braddell

arxiv:1705.03846 v1 · 2017-05-10 · math.SG · math-ph · math.DS · 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{2LXKGBOB7K36VRUYCQRT2PNLFF}

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	2026-05-17T23:49:18.062211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2eea305c1fab7eac69814233d3dab2948fdb8b86fd49b54af81385d1fb1c67d

Aliases

arxiv: 1705.03846 · arxiv_version: 1705.03846v1 · doi: 10.48550/arxiv.1705.03846 · pith_short_12: 2LXKGBOB7K36 · pith_short_16: 2LXKGBOB7K36VRUY · pith_short_8: 2LXKGBOB

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/2LXKGBOB7K36VRUYCQRT2PNLFF \
  | 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: d2eea305c1fab7eac69814233d3dab2948fdb8b86fd49b54af81385d1fb1c67d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa31803e81a741125589e9a53ae047bda3e7ef25fc27e3b460173d711e7a091e",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2017-05-10T16:24:14Z",
    "title_canon_sha256": "bd90391d0d17f6c4965728c4a89be4ae0d6a0bc6b005334df9b96117f1584c3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03846",
    "kind": "arxiv",
    "version": 1
  }
}