Pith Number

pith:X7AJYYWS

pith:2010:X7AJYYWSPQFPE6CGE7GP5XR6UA

not attested not anchored not stored refs pending

Non-genericity phenomenon in some ordered Fraisse classes

Konstantin Slutsky

arxiv:1010.0462 v1 · 2010-10-04 · math.LO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7AJYYWSPQFPE6CGE7GP5XR6UA}

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	2026-05-18T04:39:58.385940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc09c62d27c0af2784627ccfede3ea02727c867f4ceeb95b2873d3cdd76c277

Aliases

arxiv: 1010.0462 · arxiv_version: 1010.0462v1 · doi: 10.48550/arxiv.1010.0462 · pith_short_12: X7AJYYWSPQFP · pith_short_16: X7AJYYWSPQFPE6CG · pith_short_8: X7AJYYWS

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/X7AJYYWSPQFPE6CGE7GP5XR6UA \
  | 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: bfc09c62d27c0af2784627ccfede3ea02727c867f4ceeb95b2873d3cdd76c277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d448d61a8dbe5abe1ff14dbad05c63b78163c024fe19e19cdbf7e5fb1b160f84",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2010-10-04T01:51:02Z",
    "title_canon_sha256": "49ff3d382184926f210390a76fdd882651cc93e6d1de08312967dc46ec38fcd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0462",
    "kind": "arxiv",
    "version": 1
  }
}