Pith Number

pith:IBWWZYLK

pith:2016:IBWWZYLK2IZARDETZDCVSQOBAT

not attested not anchored not stored refs pending

Squares of Low Maximum Degree

Anthony Stewart, Dani\"el Paulusma, Dieter Kratsch, Jean-Fran\c{c}ois Couturier, Manfred Cochefert, Petr A. Golovach

arxiv:1608.06142 v2 · 2016-08-22 · cs.DS · cs.DM · 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{IBWWZYLK2IZARDETZDCVSQOBAT}

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	2026-05-18T01:07:50.431826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

406d6ce16ad232088c93c8c55941c104c0a472cb23ef180d3767305863b64fc1

Aliases

arxiv: 1608.06142 · arxiv_version: 1608.06142v2 · doi: 10.48550/arxiv.1608.06142 · pith_short_12: IBWWZYLK2IZA · pith_short_16: IBWWZYLK2IZARDET · pith_short_8: IBWWZYLK

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/IBWWZYLK2IZARDETZDCVSQOBAT \
  | 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: 406d6ce16ad232088c93c8c55941c104c0a472cb23ef180d3767305863b64fc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d10e5f55f09515a5675d46f44544a75c51d5457fe1553134863e5e68c09c21f7",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-08-22T12:18:30Z",
    "title_canon_sha256": "be497966874b87a7a183ed7fe7bcbc7ca04a71148123bdaa11921a5bb4c96d0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06142",
    "kind": "arxiv",
    "version": 2
  }
}