Pith Number

pith:ZXSYTPJO

pith:2018:ZXSYTPJOWD5KT7N36YIITPZUOP

not attested not anchored not stored refs pending

Intersections, circuits, and colorability of line segments

Alathea Jensen, Boris Brimkov, Jesse Geneson, Jordan Miller, Pouria Salehi Nowbandegani

arxiv:1808.07176 v1 · 2018-08-22 · 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{ZXSYTPJOWD5KT7N36YIITPZUOP}

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	2026-05-18T00:07:29.700056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cde589bd2eb0faa9fdbbf61089bf3473e8f0e489c602f9e54a6b20a522185911

Aliases

arxiv: 1808.07176 · arxiv_version: 1808.07176v1 · doi: 10.48550/arxiv.1808.07176 · pith_short_12: ZXSYTPJOWD5K · pith_short_16: ZXSYTPJOWD5KT7N3 · pith_short_8: ZXSYTPJO

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/ZXSYTPJOWD5KT7N36YIITPZUOP \
  | 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: cde589bd2eb0faa9fdbbf61089bf3473e8f0e489c602f9e54a6b20a522185911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a36ca187f2a6227666b79a17cc2235bafc2aa943a095148e073be8e5588e601a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-22T01:31:08Z",
    "title_canon_sha256": "9935d9d55c5e145245e1d710a08175e361ab24e170185ffc368827ed817585a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07176",
    "kind": "arxiv",
    "version": 1
  }
}