Pith Number

pith:2XYMHMW7

pith:2018:2XYMHMW7ENOIGRRBDH6WUEFA5T

not attested not anchored not stored refs pending

Decomposable clutters and a generalization of Simon's conjectutre

Ali Akbar Yazdan Pour, Mina Bigdeli, Rashid Zaare-Nahandi

arxiv:1807.11012 v1 · 2018-07-29 · math.AC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2XYMHMW7ENOIGRRBDH6WUEFA5T}

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	2026-05-18T00:09:33.191761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f0c3b2df235c83462119fd6a10a0ecddf00c70704ac1299733dea405dfb080

Aliases

arxiv: 1807.11012 · arxiv_version: 1807.11012v1 · doi: 10.48550/arxiv.1807.11012 · pith_short_12: 2XYMHMW7ENOI · pith_short_16: 2XYMHMW7ENOIGRRB · pith_short_8: 2XYMHMW7

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/2XYMHMW7ENOIGRRBDH6WUEFA5T \
  | 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: d5f0c3b2df235c83462119fd6a10a0ecddf00c70704ac1299733dea405dfb080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47a9cb0c6823b5a22fd1ca883af78ce39aa39119ea3b8b0e4685aae05e4d4ceb",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-07-29T06:55:49Z",
    "title_canon_sha256": "592bebc9ef2e18a622b5c9a33f8141e682dad94bb68ec0f575528ebd6551e47d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11012",
    "kind": "arxiv",
    "version": 1
  }
}