Pith Number

pith:XQHX7ORK

pith:2017:XQHX7ORKZDF6JYKA7M6MXABMKI

not attested not anchored not stored refs pending

Compatible 4-Holes in Point Sets

Ahmad Biniaz, Anil Maheshwari, Michiel Smid

arxiv:1706.08105 v4 · 2017-06-25 · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQHX7ORKZDF6JYKA7M6MXABMKI}

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	2026-05-18T00:09:47.830305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc0f7fba2ac8cbe4e140fb3ccb802c523d935a77354d37ba3343d772f852b99c

Aliases

arxiv: 1706.08105 · arxiv_version: 1706.08105v4 · doi: 10.48550/arxiv.1706.08105 · pith_short_12: XQHX7ORKZDF6 · pith_short_16: XQHX7ORKZDF6JYKA · pith_short_8: XQHX7ORK

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/XQHX7ORKZDF6JYKA7M6MXABMKI \
  | 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: bc0f7fba2ac8cbe4e140fb3ccb802c523d935a77354d37ba3343d772f852b99c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a681c561dc2f1b6d3527ec46deb99a02d61dfc3d5d1e96d433f24b154689355",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-06-25T13:51:16Z",
    "title_canon_sha256": "d6239bfaa68d4ae19645b166246f3677fcac0ea795463a3263ef10a0ae4ce8eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08105",
    "kind": "arxiv",
    "version": 4
  }
}