Pith Number

pith:BXV7ZQZD

pith:2017:BXV7ZQZDXYO2U64SDSFSN5ZM4R

not attested not anchored not stored refs pending

Singular Hochschild cohomology and algebraic string operations

Manuel Rivera, Zhengfang Wang

arxiv:1703.03899 v2 · 2017-03-11 · math.RT · math.AT · 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{BXV7ZQZDXYO2U64SDSFSN5ZM4R}

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	2026-05-18T00:10:48.939053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0debfcc323be1daa7b921c8b26f72ce47552f29fa498d929d3216e97400dd25d

Aliases

arxiv: 1703.03899 · arxiv_version: 1703.03899v2 · doi: 10.48550/arxiv.1703.03899 · pith_short_12: BXV7ZQZDXYO2 · pith_short_16: BXV7ZQZDXYO2U64S · pith_short_8: BXV7ZQZD

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/BXV7ZQZDXYO2U64SDSFSN5ZM4R \
  | 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: 0debfcc323be1daa7b921c8b26f72ce47552f29fa498d929d3216e97400dd25d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e04b7ae5ed403aa7108f2583c36b4ed1f0ece81ab18c7d5ca835b7e87959224",
    "cross_cats_sorted": [
      "math.AT",
      "math.KT",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2017-03-11T03:25:16Z",
    "title_canon_sha256": "47a215699a917bc19ad78a6f5f521c534ba224f0b4473c7c5e6dd8169274b71d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03899",
    "kind": "arxiv",
    "version": 2
  }
}