Pith Number

pith:JW2AJXNU

pith:2015:JW2AJXNULBKVZJNQP4N6O5OU4S

not attested not anchored not stored refs pending

Effective zero-dimensionality for computable metric spaces

Australia), Perth, Robert Kenny (The University of Western Australia

arxiv:1501.03783 v2 · 2015-01-14 · math.LO · cs.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{JW2AJXNULBKVZJNQP4N6O5OU4S}

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	2026-05-18T01:37:35.229761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db404ddb458555ca5b07f1be775d4e490cffc6092ebcc1c956b104ff8bc62cf

Aliases

arxiv: 1501.03783 · arxiv_version: 1501.03783v2 · doi: 10.48550/arxiv.1501.03783 · pith_short_12: JW2AJXNULBKV · pith_short_16: JW2AJXNULBKVZJNQ · pith_short_8: JW2AJXNU

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/JW2AJXNULBKVZJNQP4N6O5OU4S \
  | 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: 4db404ddb458555ca5b07f1be775d4e490cffc6092ebcc1c956b104ff8bc62cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4b30b0208172b6dab4049eac352c1089446b32702a1ae368e50004ea375f79f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-01-14T04:56:47Z",
    "title_canon_sha256": "9938fa28ed9650b11ae68cc1c162c03e859c343b6148ed6618c7909998d95196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03783",
    "kind": "arxiv",
    "version": 2
  }
}