Pith Number

pith:5YEIWKND

pith:2016:5YEIWKNDF4ZAK6OFBT3CB7CHDP

not attested not anchored not stored refs pending

Minimal and minimum unit circular-arc models

Francisco J. Soulignac, Pablo Terlisky

arxiv:1609.01266 v3 · 2016-09-05 · 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{5YEIWKNDF4ZAK6OFBT3CB7CHDP}

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	2026-05-18T00:33:23.086164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee088b29a32f320579c50cf620fc471bc47c85b1f575917681294a344d9a5c76

Aliases

arxiv: 1609.01266 · arxiv_version: 1609.01266v3 · doi: 10.48550/arxiv.1609.01266 · pith_short_12: 5YEIWKNDF4ZA · pith_short_16: 5YEIWKNDF4ZAK6OF · pith_short_8: 5YEIWKND

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/5YEIWKNDF4ZAK6OFBT3CB7CHDP \
  | 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: ee088b29a32f320579c50cf620fc471bc47c85b1f575917681294a344d9a5c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b716c764761f4bdeab2eec2449e9370a7bac451273568b1ab7be967a26d23e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-09-05T19:44:02Z",
    "title_canon_sha256": "8180765487f0578803db14b578916ae0e547108453b35b7323885f355a65f609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.01266",
    "kind": "arxiv",
    "version": 3
  }
}