Pith Number

pith:B4IVNRDT

pith:2013:B4IVNRDTUP3ETSYGNBBEZCBSBE

not attested not anchored not stored refs pending

Tracing cross-free polylines oriented by a N-symmetry direction field on triangulated surfaces

Dmitry Sokolov, Nicolas Ray

arxiv:1306.0706 v1 · 2013-06-04 · 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{B4IVNRDTUP3ETSYGNBBEZCBSBE}

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	2026-05-18T01:12:31.066625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1156c473a3f649cb0668424c88320914f0c28e0eaaf7bce5b351d21c976afc

Aliases

arxiv: 1306.0706 · arxiv_version: 1306.0706v1 · doi: 10.48550/arxiv.1306.0706 · pith_short_12: B4IVNRDTUP3E · pith_short_16: B4IVNRDTUP3ETSYG · pith_short_8: B4IVNRDT

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/B4IVNRDTUP3ETSYGNBBEZCBSBE \
  | 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: 0f1156c473a3f649cb0668424c88320914f0c28e0eaaf7bce5b351d21c976afc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef27bf77f6c0122c9d5e2d87538dac588f703dbed3e275d38792d67dacc59ea3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2013-06-04T08:58:55Z",
    "title_canon_sha256": "38ea961d1bad41355d5908ad5a5088228989c144ee9789a99ed1a179bd51bd92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0706",
    "kind": "arxiv",
    "version": 1
  }
}