Pith Number

pith:FE67DHPR

pith:2016:FE67DHPRVRJSHDA5XGKROCF4ZI

not attested not anchored not stored refs pending

Numerical invariants and moduli spaces for line arrangements

Alexandru Dimca, Daniela Anca Macinic, Denis Ibadula

arxiv:1609.06551 v3 · 2016-09-21 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FE67DHPRVRJSHDA5XGKROCF4ZI}

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	2026-05-18T00:29:01.867394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293df19df1ac53238c1db9951708bcca300e343fde8203a6b06383e08d0a40f4

Aliases

arxiv: 1609.06551 · arxiv_version: 1609.06551v3 · doi: 10.48550/arxiv.1609.06551 · pith_short_12: FE67DHPRVRJS · pith_short_16: FE67DHPRVRJSHDA5 · pith_short_8: FE67DHPR

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/FE67DHPRVRJSHDA5XGKROCF4ZI \
  | 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: 293df19df1ac53238c1db9951708bcca300e343fde8203a6b06383e08d0a40f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b25d12375d996573ceef7b0395971a109b183ae20628105c7b0180ca45871e1",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-21T13:32:15Z",
    "title_canon_sha256": "b3c17abc8a05e3b15a3fc94b9e54ace77e1f27591506b21b401cd423e2b5500f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06551",
    "kind": "arxiv",
    "version": 3
  }
}