Pith Number

pith:32OTBT7D

pith:2014:32OTBT7DYT345NV7LHVR5G447H

not attested not anchored not stored refs pending

On homological notions of Banach algebras related to a character

A. Sahami

arxiv:1401.2558 v2 · 2014-01-11 · 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{32OTBT7DYT345NV7LHVR5G447H}

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	2026-05-18T00:06:16.522432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de9d30cfe3c4f7ceb6bf59eb1e9b9cf9f8649438f3593603dd02961ec90a28f7

Aliases

arxiv: 1401.2558 · arxiv_version: 1401.2558v2 · doi: 10.48550/arxiv.1401.2558 · pith_short_12: 32OTBT7DYT34 · pith_short_16: 32OTBT7DYT345NV7 · pith_short_8: 32OTBT7D

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/32OTBT7DYT345NV7LHVR5G447H \
  | 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: de9d30cfe3c4f7ceb6bf59eb1e9b9cf9f8649438f3593603dd02961ec90a28f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2927fdae9d860e403b7a95fc3f82fba4de6d28aecd755624364aeb2606d5cb90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-11T19:40:30Z",
    "title_canon_sha256": "da4ddbe0cd31dc677902f60e65b8d07e97430087938323ba460b6fbe61da7ba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2558",
    "kind": "arxiv",
    "version": 2
  }
}