Pith Number

pith:HJ67WEUZ

pith:2017:HJ67WEUZ6YSTLCP2NRERQEUS6B

not attested not anchored not stored refs pending

Linearity problem for non-abelian tensor products

Andrei V. Lavrenov, Mikhail V. Neshchadim, Valeriy G. Bardakov

arxiv:1710.02330 v2 · 2017-10-06 · math.GR · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJ67WEUZ6YSTLCP2NRERQEUS6B}

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	2026-05-18T00:18:41.329011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a7dfb1299f6253589fa6c49181292f052288e2e34080f78d8bef7912392d52f

Aliases

arxiv: 1710.02330 · arxiv_version: 1710.02330v2 · doi: 10.48550/arxiv.1710.02330 · pith_short_12: HJ67WEUZ6YST · pith_short_16: HJ67WEUZ6YSTLCP2 · pith_short_8: HJ67WEUZ

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/HJ67WEUZ6YSTLCP2NRERQEUS6B \
  | 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: 3a7dfb1299f6253589fa6c49181292f052288e2e34080f78d8bef7912392d52f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6673a5689213e97b4f05af8d8de6794d86e64098788593771744faba6bfb73e",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-10-06T09:54:28Z",
    "title_canon_sha256": "4920e99af6d5e52b48d2cb7bf93fad5602bf58c9f6e73496c732edf828e6d675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02330",
    "kind": "arxiv",
    "version": 2
  }
}