Pith Number

pith:Y6TBLBLR

pith:2024:Y6TBLBLR2FE2RGNPMHVVZJOOYS

not attested not anchored not stored refs pending

Strong orientation of a connected graph for a crossing family

Ahmad Abdi, Mahsa Dalirrooyfard, Meike Neuwohner

arxiv:2411.13202 v1 · 2024-11-20 · 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{Y6TBLBLR2FE2RGNPMHVVZJOOYS}

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	2026-07-05T09:38:06.634288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7a6158571d149a899af61eb5ca5cec496ca3cf26acb510d0c728264e53ef916

Aliases

arxiv: 2411.13202 · arxiv_version: 2411.13202v1 · doi: 10.48550/arxiv.2411.13202 · pith_short_12: Y6TBLBLR2FE2 · pith_short_16: Y6TBLBLR2FE2RGNP · pith_short_8: Y6TBLBLR

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/Y6TBLBLR2FE2RGNPMHVVZJOOYS \
  | 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: c7a6158571d149a899af61eb5ca5cec496ca3cf26acb510d0c728264e53ef916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac563243fc40e5782e7e816941b1c533cbb981e6043e9cd2d2e283e50670d35a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-11-20T11:04:48Z",
    "title_canon_sha256": "15dd13282989da013bb6d99e3d08f5493a379be0688d4881a2ef8008141e85f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13202",
    "kind": "arxiv",
    "version": 1
  }
}