Pith Number

pith:5JSIG2IR

pith:2015:5JSIG2IR7WWFXVYQA7KSGUDIUL

not attested not anchored not stored refs pending

Corrigendum to "Maps between non-commutative spaces" [Trans. Amer. Math. Soc., 356(7) (2004) 2927-2944]

S.Paul Smith

arxiv:1507.02497 v2 · 2015-07-09 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JSIG2IR7WWFXVYQA7KSGUDIUL}

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	2026-05-18T01:21:47.288575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea64836911fdac5bd71007d5235068a2ec3ed970bd0bfeac870458360708a39e

Aliases

arxiv: 1507.02497 · arxiv_version: 1507.02497v2 · doi: 10.48550/arxiv.1507.02497 · pith_short_12: 5JSIG2IR7WWF · pith_short_16: 5JSIG2IR7WWFXVYQ · pith_short_8: 5JSIG2IR

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/5JSIG2IR7WWFXVYQA7KSGUDIUL \
  | 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: ea64836911fdac5bd71007d5235068a2ec3ed970bd0bfeac870458360708a39e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0f22ede3130029b252727144e4e1452e1e6e7f2675c99dd588316f04ed355f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-07-09T13:22:54Z",
    "title_canon_sha256": "f6aa126e154e119f4bfd6faaa781f3ef5bd83557834440ea3744daaca53b8556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02497",
    "kind": "arxiv",
    "version": 2
  }
}