Pith Number

pith:422BNCE5

pith:2006:422BNCE5M3UHZAFB6XCGCJWJRS

not attested not anchored not stored refs pending

Bordism groups of solutions to differential relations

Rustam Sadykov

arxiv:math/0608460 v2 · 2006-08-18 · math.AT · 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{422BNCE5M3UHZAFB6XCGCJWJRS}

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	2026-05-18T02:41:31.808419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6b416889d66e87c80a1f5c46126c98c98c50d30c862b067060f2182b6b87f3e

Aliases

arxiv: math/0608460 · arxiv_version: math/0608460v2 · doi: 10.48550/arxiv.math/0608460 · pith_short_12: 422BNCE5M3UH · pith_short_16: 422BNCE5M3UHZAFB · pith_short_8: 422BNCE5

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/422BNCE5M3UHZAFB6XCGCJWJRS \
  | 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: e6b416889d66e87c80a1f5c46126c98c98c50d30c862b067060f2182b6b87f3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "299c0eb7d45f1aa96a89b8633f721e1a79fd0758cf6c0d5a7f3de5a03a625e8e",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2006-08-18T07:43:50Z",
    "title_canon_sha256": "619fc7abe9857bf2ef8e317b3a04149edc13cf56cffb05eb3f849d040921a6ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0608460",
    "kind": "arxiv",
    "version": 2
  }
}