Pith Number

pith:6OJH5NG5

pith:2013:6OJH5NG5N4TSNM3OT3YLXDJEAW

not attested not anchored not stored refs pending

Cohomology of abelian arrangements

Christin Bibby

arxiv:1310.4866 v4 · 2013-10-17 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6OJH5NG5N4TSNM3OT3YLXDJEAW}

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	2026-05-18T00:16:24.252114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3927eb4dd6f2726b36e9ef0bb8d2405a498f3a9660f9ac44bfa282d04dce91b

Aliases

arxiv: 1310.4866 · arxiv_version: 1310.4866v4 · doi: 10.48550/arxiv.1310.4866 · pith_short_12: 6OJH5NG5N4TS · pith_short_16: 6OJH5NG5N4TSNM3O · pith_short_8: 6OJH5NG5

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/6OJH5NG5N4TSNM3OT3YLXDJEAW \
  | 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: f3927eb4dd6f2726b36e9ef0bb8d2405a498f3a9660f9ac44bfa282d04dce91b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59dff6101310c603e23ed3696fc699894a0696b336aede86246afc8f09412368",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-17T22:47:36Z",
    "title_canon_sha256": "14c85591bed541052e446a013ddd53bcd14f49772f3df8c4ebda3f22f2bd5488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4866",
    "kind": "arxiv",
    "version": 4
  }
}