Pith Number

pith:FFBEYQA2

pith:2018:FFBEYQA2NU7BAFEUYGD6X26IDJ

not attested not anchored not stored refs pending

Maximum-Width Empty Square and Rectangular Annulus

Arpita Baral, Priya Ranjan Sinha Mahapatra, Sang Won Bae

arxiv:1811.06217 v1 · 2018-11-15 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFBEYQA2NU7BAFEUYGD6X26IDJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:00:38.323698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29424c401a6d3e101494c187ebebc81a5ec527f816602a692ac9ae57fc0e9a77

Aliases

arxiv: 1811.06217 · arxiv_version: 1811.06217v1 · doi: 10.48550/arxiv.1811.06217 · pith_short_12: FFBEYQA2NU7B · pith_short_16: FFBEYQA2NU7BAFEU · pith_short_8: FFBEYQA2

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/FFBEYQA2NU7BAFEUYGD6X26IDJ \
  | 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: 29424c401a6d3e101494c187ebebc81a5ec527f816602a692ac9ae57fc0e9a77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0b203b6c82d63b2912160558a927dbc17512780169b55872c3f0d99cf412bce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-11-15T07:53:36Z",
    "title_canon_sha256": "20d75ee974a6fd1635876227642760719fd43af5275d45e803f3c754a637199a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06217",
    "kind": "arxiv",
    "version": 1
  }
}