Pith Number

pith:M7OJHOMR

pith:2012:M7OJHOMR24NUIBUNNYZX5PJ6FT

not attested not anchored not stored refs pending

Logarithmic bundles and Line arrangements, an approach via the standard construction

Daniele Faenzi, Jean Vall\`es

arxiv:1209.4934 v1 · 2012-09-21 · math.AG · 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{M7OJHOMR24NUIBUNNYZX5PJ6FT}

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	2026-05-18T00:44:30.237953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67dc93b991d71b44068d6e337ebd3e2cdbfa660fe1f3f75320dc490355d1bcba

Aliases

arxiv: 1209.4934 · arxiv_version: 1209.4934v1 · doi: 10.48550/arxiv.1209.4934 · pith_short_12: M7OJHOMR24NU · pith_short_16: M7OJHOMR24NUIBUN · pith_short_8: M7OJHOMR

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/M7OJHOMR24NUIBUNNYZX5PJ6FT \
  | 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: 67dc93b991d71b44068d6e337ebd3e2cdbfa660fe1f3f75320dc490355d1bcba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "344813693ba7377711dd14308c90073451700315f4ae4512ba3061133bf6101e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-09-21T23:16:47Z",
    "title_canon_sha256": "6c6b8f538dc6a07ac2909129064b52c1edc3a051372f33d0f3ee4e7cf04f889f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4934",
    "kind": "arxiv",
    "version": 1
  }
}