Pith Number

pith:NHNTLNN3

pith:2007:NHNTLNN3MIBE4TB5PENWUCI6RA

not attested not anchored not stored refs pending

Free Boolean algebras over unions of two well orderings

Latifa Faouzi, Robert Bonnet, Wies{\l}aw Kubi\'s

arxiv:0705.1824 v1 · 2007-05-13 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHNTLNN3MIBE4TB5PENWUCI6RA}

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	2026-05-18T03:42:45.116343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69db35b5bb62024e4c3d791b6a091e881fe0e298b17a072e2e939ead971fe33a

Aliases

arxiv: 0705.1824 · arxiv_version: 0705.1824v1 · doi: 10.48550/arxiv.0705.1824 · pith_short_12: NHNTLNN3MIBE · pith_short_16: NHNTLNN3MIBE4TB5 · pith_short_8: NHNTLNN3

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/NHNTLNN3MIBE4TB5PENWUCI6RA \
  | 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: 69db35b5bb62024e4c3d791b6a091e881fe0e298b17a072e2e939ead971fe33a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d6bda7d168d4e75da93fbab6998831580f3edf4435df5b005e3aede7505791",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2007-05-13T10:32:04Z",
    "title_canon_sha256": "0586348897ee779223ec8709aaf5fd3759a966b1b762be49db17da89ff5e6586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.1824",
    "kind": "arxiv",
    "version": 1
  }
}