Pith Number

pith:AL2AJ7L6

pith:2018:AL2AJ7L6K5Z3BT6TCTFVRELSXM

not attested not anchored not stored refs pending

Semi-inverted linear spaces and an analogue of the broken circuit complex

Cynthia Vinzant, Georgy Scholten

arxiv:1804.02029 v2 · 2018-04-05 · math.CO · math.AC · 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{AL2AJ7L6K5Z3BT6TCTFVRELSXM}

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	2026-05-17T23:44:00.213128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02f404fd7e5773b0cfd314cb589172bb2c62151a4f428e1ff69b9d64b3ee5299

Aliases

arxiv: 1804.02029 · arxiv_version: 1804.02029v2 · doi: 10.48550/arxiv.1804.02029 · pith_short_12: AL2AJ7L6K5Z3 · pith_short_16: AL2AJ7L6K5Z3BT6T · pith_short_8: AL2AJ7L6

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/AL2AJ7L6K5Z3BT6TCTFVRELSXM \
  | 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: 02f404fd7e5773b0cfd314cb589172bb2c62151a4f428e1ff69b9d64b3ee5299

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73840fcdd143ac316654c867e5b8d9ed3094d8476cbafb2a91c66bb665a3a85e",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-05T19:22:41Z",
    "title_canon_sha256": "331064f105c047c5f3609bd34ac03e0036cdfc842ac339715b665e3b4d3e7434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02029",
    "kind": "arxiv",
    "version": 2
  }
}