Pith Number

pith:IV3SDIGL

pith:2004:IV3SDIGLQ2G7G7E374A24MNOG4

not attested not anchored not stored refs pending

On the topology of the Kasparov groups and its applications

Marius Dadarlat

arxiv:math/0410400 v2 · 2004-10-18 · math.OA · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IV3SDIGLQ2G7G7E374A24MNOG4}

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	2026-05-18T01:05:25.742241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

457721a0cb868df37c9bff01ae31ae3722cd35a50466329fbc05cd28a6f84679

Aliases

arxiv: math/0410400 · arxiv_version: math/0410400v2 · doi: 10.48550/arxiv.math/0410400 · pith_short_12: IV3SDIGLQ2G7 · pith_short_16: IV3SDIGLQ2G7G7E3 · pith_short_8: IV3SDIGL

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/IV3SDIGLQ2G7G7E374A24MNOG4 \
  | 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: 457721a0cb868df37c9bff01ae31ae3722cd35a50466329fbc05cd28a6f84679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84244865e4626febc14ccfc682b742a6b6b60cf11f38ac48d8cbc8ea88f997f9",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2004-10-18T17:49:30Z",
    "title_canon_sha256": "a140781aae22a10ebeb1d866a1768c8c3ab9f97145347408b42c0d7336406f6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0410400",
    "kind": "arxiv",
    "version": 2
  }
}