Pith Number

pith:ZL2RBLVJ

pith:2014:ZL2RBLVJ7BEEAHPMD3RYYQSQ75

not attested not anchored not stored refs pending

Relative cohomology of bi-arrangements

Cl\'ement Dupont

arxiv:1410.6348 v2 · 2014-10-23 · math.AG · math.AT · 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{ZL2RBLVJ7BEEAHPMD3RYYQSQ75}

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	2026-05-18T00:13:48.670588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caf510aea9f848401dec1ee38c4250ff6a7bcd625bf0932fe3d526628a531c7b

Aliases

arxiv: 1410.6348 · arxiv_version: 1410.6348v2 · doi: 10.48550/arxiv.1410.6348 · pith_short_12: ZL2RBLVJ7BEE · pith_short_16: ZL2RBLVJ7BEEAHPM · pith_short_8: ZL2RBLVJ

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/ZL2RBLVJ7BEEAHPMD3RYYQSQ75 \
  | 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: caf510aea9f848401dec1ee38c4250ff6a7bcd625bf0932fe3d526628a531c7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eefdd373d7e7190d5b59502278ab9a3dabd687b59ebc7b0c6d8939d7c649811",
    "cross_cats_sorted": [
      "math.AT",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-23T12:52:48Z",
    "title_canon_sha256": "ae4eb26030aa860c49109a28fc26c16ecab0a727a0893862f724da9015efbb61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.6348",
    "kind": "arxiv",
    "version": 2
  }
}