Pith Number

pith:GAJFA6RR

pith:2009:GAJFA6RRE3DCK6LCLLRSTZG3DQ

not attested not anchored not stored refs pending

Coideals of block sequences

Jes\'us Nieto, Jos\'e G. Mijares

arxiv:0901.1688 v2 · 2009-01-12 · math.CO · 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{GAJFA6RRE3DCK6LCLLRSTZG3DQ}

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	2026-05-18T04:41:44.185380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3012507a3126c62579625ae329e4db1c1df49ccbedff2a28e22f8166c0a2deb0

Aliases

arxiv: 0901.1688 · arxiv_version: 0901.1688v2 · doi: 10.48550/arxiv.0901.1688 · pith_short_12: GAJFA6RRE3DC · pith_short_16: GAJFA6RRE3DCK6LC · pith_short_8: GAJFA6RR

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/GAJFA6RRE3DCK6LCLLRSTZG3DQ \
  | 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: 3012507a3126c62579625ae329e4db1c1df49ccbedff2a28e22f8166c0a2deb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e99db1d09dae7d9f0a1670377a040039e30a668aa2e1f767807334f3ce5d3046",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-01-12T23:44:36Z",
    "title_canon_sha256": "9df395b7e78c7f228cbb886dd6e1074ec337fd03eae9b2f9f1959a9ac40ecdb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1688",
    "kind": "arxiv",
    "version": 2
  }
}