Pith Number

pith:Q2YKOCOV

pith:1998:Q2YKOCOV2FXSD2QENR6U7QBBMB

not attested not anchored not stored refs pending

Unitaires multiplicatifs en dimension finie et leurs sous-objets

Etienne Blanchard, Georges Skandalis, Saad Baaj

arxiv:math/9804104 v1 · 1998-04-22 · math.OA · 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{Q2YKOCOV2FXSD2QENR6U7QBBMB}

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	2026-05-18T01:05:34.097456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b0a709d5d16f21ea046c7d4fc021605d2d6df066cf29ba4b76899b9a83c20d

Aliases

arxiv: math/9804104 · arxiv_version: math/9804104v1 · doi: 10.48550/arxiv.math/9804104 · pith_short_12: Q2YKOCOV2FXS · pith_short_16: Q2YKOCOV2FXSD2QE · pith_short_8: Q2YKOCOV

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/Q2YKOCOV2FXSD2QENR6U7QBBMB \
  | 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: 86b0a709d5d16f21ea046c7d4fc021605d2d6df066cf29ba4b76899b9a83c20d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10567ed49a7611d02cedc13f97b0978e0707125d59d0deb4ea8c0f6c29fe19c9",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "1998-04-22T14:57:17Z",
    "title_canon_sha256": "488b7c2a63903873284e6c89697edfded48fa37407c800134d203752cb265827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9804104",
    "kind": "arxiv",
    "version": 1
  }
}