Pith Number

pith:JRHF6IZ2

pith:2018:JRHF6IZ2LRKAFNLHHEY4LOH6VY

not attested not anchored not stored refs pending

The orientation morphism: from graph cocycles to deformations of Poisson structures

Arthemy Kiselev, Ricardo Buring

arxiv:1811.07878 v2 · 2018-11-19 · math.CO · math.DG · math.QA · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRHF6IZ2LRKAFNLHHEY4LOH6VY}

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	2026-05-17T23:41:53.681160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c4e5f233a5c5402b5673931c5b8feae2f169746fa385f5fdb46bc667c203b41

Aliases

arxiv: 1811.07878 · arxiv_version: 1811.07878v2 · doi: 10.48550/arxiv.1811.07878 · pith_short_12: JRHF6IZ2LRKA · pith_short_16: JRHF6IZ2LRKAFNLH · pith_short_8: JRHF6IZ2

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/JRHF6IZ2LRKAFNLHHEY4LOH6VY \
  | 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: 4c4e5f233a5c5402b5673931c5b8feae2f169746fa385f5fdb46bc667c203b41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31de2b0c8760190d07fb82efddab92e8a2e5525cacf6f686859add76f0586da4",
    "cross_cats_sorted": [
      "math.DG",
      "math.QA",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-19T18:52:13Z",
    "title_canon_sha256": "3e6a3d363f0d3faad5ecc58e8062e79e5b6dc75189cd546d00fdaff974fd4b4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07878",
    "kind": "arxiv",
    "version": 2
  }
}