Pith Number

pith:EJUDVGDX

pith:2019:EJUDVGDXTOUKVMLA3NASDKHQWG

not attested not anchored not stored refs pending

Hopfological algebra for infinite dimensional Hopf algebras

Marco A. Farinati

arxiv:1904.10430 v4 · 2019-04-23 · math.KT · 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{EJUDVGDXTOUKVMLA3NASDKHQWG}

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	2026-05-17T23:44:18.878529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22683a98779ba8aab160db4121a8f0b19ff4c81cce51f7c35f3931c4f675351d

Aliases

arxiv: 1904.10430 · arxiv_version: 1904.10430v4 · doi: 10.48550/arxiv.1904.10430 · pith_short_12: EJUDVGDXTOUK · pith_short_16: EJUDVGDXTOUKVMLA · pith_short_8: EJUDVGDX

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/EJUDVGDXTOUKVMLA3NASDKHQWG \
  | 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: 22683a98779ba8aab160db4121a8f0b19ff4c81cce51f7c35f3931c4f675351d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b3b8fce3742c69bfc50035c50c5eca0b10bc249db83908bd1bfb1096505b48e",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2019-04-23T17:22:42Z",
    "title_canon_sha256": "58b9de83e2c275d8d69112a30ac53a9ed789d7aec43db44bf6eae8a21017e3ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10430",
    "kind": "arxiv",
    "version": 4
  }
}