Pith Number

pith:M3ODVXCK

pith:2014:M3ODVXCKC63Z2F6CYRADFXHULS

not attested not anchored not stored refs pending

Non-recursive freeness and non-rigidity of plane arrangements

Hiraku Kawanoue, Michael Cuntz, Takeshi Nozawa, Takuro Abe

arxiv:1411.3351 v1 · 2014-10-13 · math.CO · 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{M3ODVXCKC63Z2F6CYRADFXHULS}

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	2026-05-18T02:37:44.018700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66dc3adc4a17b79d17c2c44032dcf45cb305cc3cf18d35e839fa332cb8d71dc8

Aliases

arxiv: 1411.3351 · arxiv_version: 1411.3351v1 · doi: 10.48550/arxiv.1411.3351 · pith_short_12: M3ODVXCKC63Z · pith_short_16: M3ODVXCKC63Z2F6C · pith_short_8: M3ODVXCK

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/M3ODVXCKC63Z2F6CYRADFXHULS \
  | 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: 66dc3adc4a17b79d17c2c44032dcf45cb305cc3cf18d35e839fa332cb8d71dc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0b8de046ad2b5eadb99fd64bc4368565caf217b28408dcdedfa8a3f887e86d2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-10-13T14:06:06Z",
    "title_canon_sha256": "673cd6b7906bd64a96217ba15dfaaa6dceab992a5faba79be0cde4f81fa050d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3351",
    "kind": "arxiv",
    "version": 1
  }
}