Pith Number

pith:G7AA5LYC

pith:2013:G7AA5LYCBELA2SQRJA5H5KAPP7

not attested not anchored not stored refs pending

Hyperplane arrangements and Milnor fibrations

Alexander I. Suciu

arxiv:1301.4851 v2 · 2013-01-21 · math.AG · math.CO · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7AA5LYCBELA2SQRJA5H5KAPP7}

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	2026-05-18T02:40:18.850773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37c00eaf0209160d4a11483a7ea80f7fd4df7e398bcf0cee4e05de9c804ec22b

Aliases

arxiv: 1301.4851 · arxiv_version: 1301.4851v2 · doi: 10.48550/arxiv.1301.4851 · pith_short_12: G7AA5LYCBELA · pith_short_16: G7AA5LYCBELA2SQR · pith_short_8: G7AA5LYC

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/G7AA5LYCBELA2SQRJA5H5KAPP7 \
  | 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: 37c00eaf0209160d4a11483a7ea80f7fd4df7e398bcf0cee4e05de9c804ec22b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69b474ab0cd36d430b88f88422ce1b08883402e8391103bdd7b1a62e2e902b30",
    "cross_cats_sorted": [
      "math.CO",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-01-21T12:51:42Z",
    "title_canon_sha256": "6f6f72cecc15ff42a84c2d2ff2fd0f215d0cabd58fae3a83cf663f8ad3f97296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4851",
    "kind": "arxiv",
    "version": 2
  }
}