Pith Number

pith:473AGMU7

pith:2015:473AGMU76FSYN2NQS4B4RPPGEC

not attested not anchored not stored refs pending

Note on infinite iterated crossed products of Hopf algebras and the Drinfeld double

Sandipan De, Vijay Kodiyalam

arxiv:1503.05489 v1 · 2015-03-18 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{473AGMU76FSYN2NQS4B4RPPGEC}

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	2026-05-18T02:21:26.287869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7f603329ff16586e9b09703c8bde62082bdef60bce2686dca26e095a8bfd682

Aliases

arxiv: 1503.05489 · arxiv_version: 1503.05489v1 · doi: 10.48550/arxiv.1503.05489 · pith_short_12: 473AGMU76FSY · pith_short_16: 473AGMU76FSYN2NQ · pith_short_8: 473AGMU7

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/473AGMU76FSYN2NQS4B4RPPGEC \
  | 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: e7f603329ff16586e9b09703c8bde62082bdef60bce2686dca26e095a8bfd682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "990d82be601284e25afedca8096942004382c02ba8e355959166b0d3d12a607e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2015-03-18T17:02:09Z",
    "title_canon_sha256": "e7d27272e53969e5d7031cc3370cc1a3a0ae98b144b31fb148cb25605389e6fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05489",
    "kind": "arxiv",
    "version": 1
  }
}