Pith Number

pith:RDHRM4O5

pith:2009:RDHRM4O5STNJYD2JB2ZX2DJ7OY

not attested not anchored not stored refs pending

Symmetric invariant cocycles on the duals of q-deformations

Lars Tuset, Sergey Neshveyev

arxiv:0902.2365 v2 · 2009-02-13 · math.QA · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RDHRM4O5STNJYD2JB2ZX2DJ7OY}

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	2026-05-18T04:31:52.551841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88cf1671dd94da9c0f490eb37d0d3f76110527181f6c34d494b718122e7edf36

Aliases

arxiv: 0902.2365 · arxiv_version: 0902.2365v2 · doi: 10.48550/arxiv.0902.2365 · pith_short_12: RDHRM4O5STNJ · pith_short_16: RDHRM4O5STNJYD2J · pith_short_8: RDHRM4O5

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/RDHRM4O5STNJYD2JB2ZX2DJ7OY \
  | 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: 88cf1671dd94da9c0f490eb37d0d3f76110527181f6c34d494b718122e7edf36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0447cd89a0532a213da273f89176cc7d9126e5e4245cdf56c3448bfe0661fbf",
    "cross_cats_sorted": [
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2009-02-13T18:14:23Z",
    "title_canon_sha256": "cf6ff6b5b5f74ffa187a39a72693f3fce9df20a803df690f1560db7cab29c4d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2365",
    "kind": "arxiv",
    "version": 2
  }
}