Pith Number

pith:M76UZEZU

pith:2017:M76UZEZUEXTOSM2C53SDZVNGSE

not attested not anchored not stored refs pending

On balanced 4-holes in bichromatic point sets

A. Ram\'irez-Vigueras, I. Ventura, J. M. D\'iaz-B\'a\~nez, J. Urrutia, P. P\'erez-Lantero, R. Fabila-Monroy, S. Bereg, T. Sakai

arxiv:1708.01321 v1 · 2017-08-03 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M76UZEZUEXTOSM2C53SDZVNGSE}

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	2026-05-18T00:38:37.672630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67fd4c933425e6e93342eee43cd5a691251c2c0f58297f0f8dfcf81c4c7eccb4

Aliases

arxiv: 1708.01321 · arxiv_version: 1708.01321v1 · doi: 10.48550/arxiv.1708.01321 · pith_short_12: M76UZEZUEXTO · pith_short_16: M76UZEZUEXTOSM2C · pith_short_8: M76UZEZU

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/M76UZEZUEXTOSM2C53SDZVNGSE \
  | 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: 67fd4c933425e6e93342eee43cd5a691251c2c0f58297f0f8dfcf81c4c7eccb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "038319785541a4e3929ade78146f3b92ea2f9c524bd5ddb6407eb7b50c9c6b80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-08-03T22:12:15Z",
    "title_canon_sha256": "82b69f47c365ce5f119662d96cf1860dcbbd22303f8c651690bccfde2732065f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01321",
    "kind": "arxiv",
    "version": 1
  }
}