Pith Number

pith:3DJLBEXW

pith:2013:3DJLBEXWZTU4YT23YFMFPFGDYC

not attested not anchored not stored refs pending

A Note on Positive Zero Divisors in C* Algebras

Ali Taghavi

arxiv:1301.3129 v7 · 2013-01-13 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DJLBEXWZTU4YT23YFMFPFGDYC}

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	2026-05-18T03:25:43.411471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8d2b092f6cce9cc4f5bc1585794c3c097f5abe77b3df6a7d655446b630d0013

Aliases

arxiv: 1301.3129 · arxiv_version: 1301.3129v7 · doi: 10.48550/arxiv.1301.3129 · pith_short_12: 3DJLBEXWZTU4 · pith_short_16: 3DJLBEXWZTU4YT23 · pith_short_8: 3DJLBEXW

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/3DJLBEXWZTU4YT23YFMFPFGDYC \
  | 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: d8d2b092f6cce9cc4f5bc1585794c3c097f5abe77b3df6a7d655446b630d0013

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cf182ce36ac6963d7aa853b6cafd34a95b3e52ca5f5723ed00610ea320a529f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2013-01-13T09:02:41Z",
    "title_canon_sha256": "82325e77de4cb642f861f214fddb1d01674f8359277ebc1f00423f467879b868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3129",
    "kind": "arxiv",
    "version": 7
  }
}