Pith Number

pith:2XX2SSKN

pith:2016:2XX2SSKNULEVVTIGPPAGO3MJF4

not attested not anchored not stored refs pending

Obstructions for Twist Star Products

Chiara Esposito, Pierre Bieliavsky, Stefan Waldmann, Thomas Weber

arxiv:1607.06926 v1 · 2016-07-23 · math.QA · math-ph · math.MP · 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{2XX2SSKNULEVVTIGPPAGO3MJF4}

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	2026-05-18T00:18:05.459326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5efa9494da2c95acd067bc0676d892f089be5c06aa8c975af4000693de0288c

Aliases

arxiv: 1607.06926 · arxiv_version: 1607.06926v1 · doi: 10.48550/arxiv.1607.06926 · pith_short_12: 2XX2SSKNULEV · pith_short_16: 2XX2SSKNULEVVTIG · pith_short_8: 2XX2SSKN

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/2XX2SSKNULEVVTIGPPAGO3MJF4 \
  | 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: d5efa9494da2c95acd067bc0676d892f089be5c06aa8c975af4000693de0288c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d0201ed9419993fb6fc7e61b5d9743130cdc1d84b5a7887a419d3337e80bf02",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2016-07-23T12:16:44Z",
    "title_canon_sha256": "f75c228b8222b03b7b45bf9b7b8c7bbf6bcf5946924d5821481dce197ab6fb50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06926",
    "kind": "arxiv",
    "version": 1
  }
}