Pith Number

pith:KWLNK5X7

pith:2007:KWLNK5X7BZQK2C7FVKJDOGX32H

not attested not anchored not stored refs pending

A separable non-remainder of H

Alan Dow, Klaas Pieter Hart

arxiv:0708.0838 v2 · 2007-08-06 · math.GN · 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{KWLNK5X7BZQK2C7FVKJDOGX32H}

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	2026-05-18T04:13:55.448387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5596d576ff0e60ad0be5aa92371afbd1c38223b34ead44f715afbcd36a67d66a

Aliases

arxiv: 0708.0838 · arxiv_version: 0708.0838v2 · doi: 10.48550/arxiv.0708.0838 · pith_short_12: KWLNK5X7BZQK · pith_short_16: KWLNK5X7BZQK2C7F · pith_short_8: KWLNK5X7

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/KWLNK5X7BZQK2C7FVKJDOGX32H \
  | 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: 5596d576ff0e60ad0be5aa92371afbd1c38223b34ead44f715afbcd36a67d66a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5f068869157882d0c01f8d761294b40cd6c1f0c91717bd7ae8638727a87717",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2007-08-06T20:38:55Z",
    "title_canon_sha256": "ee6cbf0d35f393fe20f52e3a2fadfa0a93ce65b50d9501b4fc30353a98107d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0838",
    "kind": "arxiv",
    "version": 2
  }
}