Pith Number

pith:CWIPJF6A

pith:2018:CWIPJF6A6KHKFZCKZBOWAGV5IO

not attested not anchored not stored refs pending

Hypergraph encoding set systems and their linear representations

Alberto Besana, Cristina Martinez

arxiv:1806.01323 v2 · 2018-06-04 · math.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWIPJF6A6KHKFZCKZBOWAGV5IO}

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	2026-05-18T00:02:19.348476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1590f497c0f28ea2e44ac85d601abd43b1aa1f9d920b060f49508a88191aff6a

Aliases

arxiv: 1806.01323 · arxiv_version: 1806.01323v2 · doi: 10.48550/arxiv.1806.01323 · pith_short_12: CWIPJF6A6KHK · pith_short_16: CWIPJF6A6KHKFZCK · pith_short_8: CWIPJF6A

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/CWIPJF6A6KHKFZCKZBOWAGV5IO \
  | 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: 1590f497c0f28ea2e44ac85d601abd43b1aa1f9d920b060f49508a88191aff6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba4c240349f36aab8e37ca2609d5693e826c80f4ac1380ac754333b04094de4",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-04T18:54:11Z",
    "title_canon_sha256": "6b98d9da1cbd4edbb89fbcec3f1e5febf1732ce590da5faef88f70e110383315"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01323",
    "kind": "arxiv",
    "version": 2
  }
}