Pith Number

pith:BSYLA46V

pith:2008:BSYLA46VRZT2GJ2EGAT5B2SJVO

not attested not anchored not stored refs pending

Twisted K-theory and finite-dimensional approximation

Kiyonori Gomi

arxiv:0803.2327 v2 · 2008-03-16 · math.KT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSYLA46VRZT2GJ2EGAT5B2SJVO}

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	2026-05-18T02:16:00.208623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cb0b073d58e67a327443027d0ea49ab9aeff8b708f7857059a72688877a4978

Aliases

arxiv: 0803.2327 · arxiv_version: 0803.2327v2 · doi: 10.48550/arxiv.0803.2327 · pith_short_12: BSYLA46VRZT2 · pith_short_16: BSYLA46VRZT2GJ2E · pith_short_8: BSYLA46V

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/BSYLA46VRZT2GJ2EGAT5B2SJVO \
  | 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: 0cb0b073d58e67a327443027d0ea49ab9aeff8b708f7857059a72688877a4978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6858abf2f230b9ec25d6f53f94d67e7b6c938b526a2d59bcb70b3f27336f754a",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2008-03-16T01:11:13Z",
    "title_canon_sha256": "13440c74935d0039cdc7119ebcb0eb1e64202f33c2ad0c9e169eff41df18d82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.2327",
    "kind": "arxiv",
    "version": 2
  }
}