Pith Number

pith:7R7QCRPV

pith:2020:7R7QCRPVRPEG74D4XCD47RVE6J

not attested not anchored not stored refs pending

Effective cylindrical cell decompositions for restricted sub-Pfaffian sets

Gal Binyamini, Nicolai Vorobjov

arxiv:2004.06411 v2 · 2020-04-14 · math.LO · 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{7R7QCRPVRPEG74D4XCD47RVE6J}

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	2026-07-05T01:38:03.452103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc7f0145f58bc86ff07cb887cfc6a4f278a5558cb7883e0343e6f56b9730c7a3

Aliases

arxiv: 2004.06411 · arxiv_version: 2004.06411v2 · doi: 10.48550/arxiv.2004.06411 · pith_short_12: 7R7QCRPVRPEG · pith_short_16: 7R7QCRPVRPEG74D4 · pith_short_8: 7R7QCRPV

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/7R7QCRPVRPEG74D4XCD47RVE6J \
  | 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: fc7f0145f58bc86ff07cb887cfc6a4f278a5558cb7883e0343e6f56b9730c7a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "058bf07f59dc77753f7305ad77be45e323d5b0620aca87e5c6736e4360c62e20",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2020-04-14T10:47:39Z",
    "title_canon_sha256": "a943452ddf3b3bcea9e9cf9197785100146e3a2a01791938f95b53ead911cd07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06411",
    "kind": "arxiv",
    "version": 2
  }
}