Pith Number

pith:JPBIKI4A

pith:2018:JPBIKI4ADL76ZRAMGGP3NCM646

not attested not anchored not stored refs pending

Smooth cohomology of $ C^* $-algebras

Ahmad Shirinkalam, Massoud Amini

arxiv:1810.08216 v1 · 2018-10-18 · math.OA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPBIKI4ADL76ZRAMGGP3NCM646}

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	2026-05-18T00:02:48.734555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bc28523801affecc40c319fb6899ee78f9f5c7764238364040343c08ad71e88

Aliases

arxiv: 1810.08216 · arxiv_version: 1810.08216v1 · doi: 10.48550/arxiv.1810.08216 · pith_short_12: JPBIKI4ADL76 · pith_short_16: JPBIKI4ADL76ZRAM · pith_short_8: JPBIKI4A

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/JPBIKI4ADL76ZRAMGGP3NCM646 \
  | 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: 4bc28523801affecc40c319fb6899ee78f9f5c7764238364040343c08ad71e88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5456626db021f13fad96d1870d79aa24b56d89933ecb35cd8ca613ad8fc2fc53",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2018-10-18T18:00:59Z",
    "title_canon_sha256": "eff7d74b337c7669b1a42149c2428c889d229f525a71a85bd43bc6e3208d2031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08216",
    "kind": "arxiv",
    "version": 1
  }
}