Pith Number

pith:TT6XLPAI

pith:2007:TT6XLPAI4N24NSWFJCW43E6KLI

not attested not anchored not stored refs pending

Poset algebras over well quasi-ordered posets

Robert Bonnet, Uri Abraham, Wieslaw Kubis

arxiv:math/0702585 v1 · 2007-02-20 · 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{TT6XLPAI4N24NSWFJCW43E6KLI}

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	2026-05-18T03:42:34.275781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cfd75bc08e375c6cac548adcd93ca5a2c894e638f5a8e5ab01d039ea56db6ec

Aliases

arxiv: math/0702585 · arxiv_version: math/0702585v1 · doi: 10.48550/arxiv.math/0702585 · pith_short_12: TT6XLPAI4N24 · pith_short_16: TT6XLPAI4N24NSWF · pith_short_8: TT6XLPAI

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/TT6XLPAI4N24NSWFJCW43E6KLI \
  | 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: 9cfd75bc08e375c6cac548adcd93ca5a2c894e638f5a8e5ab01d039ea56db6ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a873f6ce486e23945340d5d2118417a9b5da7a342e83ae0e0c948b338fd4aa",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "",
    "primary_cat": "math.GN",
    "submitted_at": "2007-02-20T17:37:50Z",
    "title_canon_sha256": "b2c5505e4d12110c04313dfd7ac2bfc08caa992de4dc9982a886fc1f47c791bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702585",
    "kind": "arxiv",
    "version": 1
  }
}