Pith Number

pith:JXONJRW6

pith:1996:JXONJRW66G65EGDRKM77F2X575

not attested not anchored not stored refs pending

More Set-theory around the weak Freese-Nation property

Lajos Soukup, Sakae Fuchino

arxiv:math/9605208 v1 · 1996-05-03 · 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{JXONJRW66G65EGDRKM77F2X575}

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	2026-05-18T01:05:47.521598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ddcd4c6def1bdd21871533ff2eafdff53c9780598fd2c729b94c5612a5f644a

Aliases

arxiv: math/9605208 · arxiv_version: math/9605208v1 · doi: 10.48550/arxiv.math/9605208 · pith_short_12: JXONJRW66G65 · pith_short_16: JXONJRW66G65EGDR · pith_short_8: JXONJRW6

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/JXONJRW66G65EGDRKM77F2X575 \
  | 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: 4ddcd4c6def1bdd21871533ff2eafdff53c9780598fd2c729b94c5612a5f644a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2f36c406702fce370e1a20fc0e397ec8d0479789e816cefc98072eed2f36222",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.LO",
    "submitted_at": "1996-05-03T00:00:00Z",
    "title_canon_sha256": "9b902335f424ac4a2b2a31e8520daf3b37bdf3ae6b6e2ecb78fbccdb27e38e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9605208",
    "kind": "arxiv",
    "version": 1
  }
}