Pith Number

pith:XPOAEYXS

pith:2016:XPOAEYXSSHGLUAP6V336X7RAB3

not attested not anchored not stored refs pending

A non-standard analysis of a cultural icon: The case of Paul Halmos

Alexandre Borovik, David Sherry, Mikhail G. Katz, Piotr Blaszczyk, Semen S. Kutateladze, Taras Kudryk, Vladimir Kanovei

arxiv:1607.00149 v1 · 2016-07-01 · math.HO · math.FA · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XPOAEYXSSHGLUAP6V336X7RAB3}

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	2026-05-18T00:49:32.401684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbdc0262f291ccba01feaef7ebfe200ef4ed45943fc3ec1ac5b8f4af6584fe32

Aliases

arxiv: 1607.00149 · arxiv_version: 1607.00149v1 · doi: 10.48550/arxiv.1607.00149 · pith_short_12: XPOAEYXSSHGL · pith_short_16: XPOAEYXSSHGLUAP6 · pith_short_8: XPOAEYXS

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/XPOAEYXSSHGLUAP6V336X7RAB3 \
  | 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: bbdc0262f291ccba01feaef7ebfe200ef4ed45943fc3ec1ac5b8f4af6584fe32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ca4233f8c6a2eadcd9cf3283c78fb066c41e080dd7a82c39f4bba2df7b8f2fe",
    "cross_cats_sorted": [
      "math.FA",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2016-07-01T08:27:09Z",
    "title_canon_sha256": "91bf4f25a6c35e96387f44f78d05ca528c8eacde7c507a30b1ad20d01f5af3fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00149",
    "kind": "arxiv",
    "version": 1
  }
}