Pith Number

pith:HHBWJNGY

pith:2012:HHBWJNGY3MAOABQUAX2O2H52WR

not attested not anchored not stored refs pending

On the isomorphism question for complete Pick multiplier algebras

John E. McCarthy, Matt Kerr, Orr Shalit

arxiv:1211.1116 v2 · 2012-11-06 · math.OA · math.CV · 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{HHBWJNGY3MAOABQUAX2O2H52WR}

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	2026-05-18T03:03:55.113393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39c364b4d8db00e0061405f4ed1fbab445bc71a83914c008e15c7347024993d2

Aliases

arxiv: 1211.1116 · arxiv_version: 1211.1116v2 · doi: 10.48550/arxiv.1211.1116 · pith_short_12: HHBWJNGY3MAO · pith_short_16: HHBWJNGY3MAOABQU · pith_short_8: HHBWJNGY

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/HHBWJNGY3MAOABQUAX2O2H52WR \
  | 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: 39c364b4d8db00e0061405f4ed1fbab445bc71a83914c008e15c7347024993d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "120418136e5a6ece9b7423c0fd0a87933b3c55ccbb5a9c6782dfebf04249c3a2",
    "cross_cats_sorted": [
      "math.CV",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2012-11-06T05:54:10Z",
    "title_canon_sha256": "0d6e38e2b26af38a5a4084071a7b3d40fb60aa61bcaf785dbea55e4dbf61cc2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1116",
    "kind": "arxiv",
    "version": 2
  }
}