Pith Number

pith:ZCWYMWBD

pith:2017:ZCWYMWBDGANEPLTQASBPSA2UE7

not attested not anchored not stored refs pending

Unbounded quasitraces, stable finiteness and pure infiniteness

Adam Sierakowski, Aidan Sims, David Pask

arxiv:1705.01268 v1 · 2017-05-03 · 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{ZCWYMWBDGANEPLTQASBPSA2UE7}

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	2026-05-18T00:45:05.522666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8ad865823301a47ae700482f9035427dfdd0ac7805653329a1ba156b2205986

Aliases

arxiv: 1705.01268 · arxiv_version: 1705.01268v1 · doi: 10.48550/arxiv.1705.01268 · pith_short_12: ZCWYMWBDGANE · pith_short_16: ZCWYMWBDGANEPLTQ · pith_short_8: ZCWYMWBD

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/ZCWYMWBDGANEPLTQASBPSA2UE7 \
  | 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: c8ad865823301a47ae700482f9035427dfdd0ac7805653329a1ba156b2205986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "751d01a8a4789835c7940aecf4999b573a0554647205f1721c9adbc9f536bebe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2017-05-03T06:50:55Z",
    "title_canon_sha256": "2e5f607f803f4cf5b63470e029846e406c5e1cd1334f8fd66ebf2831f9287405"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01268",
    "kind": "arxiv",
    "version": 1
  }
}