Pith Number

pith:3PS6I3HN

pith:2023:3PS6I3HNU3H6IMJWCKTA7DC6LI

not attested not anchored not stored refs pending

Blocking sets, minimal codes and trifferent codes

Aditya Potukuchi, Anurag Bishnoi, Dion Gijswijt, Jozefien D'haeseleer

arxiv:2301.09457 v3 · 2023-01-23 · math.CO · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PS6I3HNU3H6IMJWCKTA7DC6LI}

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	2026-07-05T08:17:08.927525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe5e46ceda6cfe4313612a60f8c5e5a17cebe89242de2ac813e930849221ee8

Aliases

arxiv: 2301.09457 · arxiv_version: 2301.09457v3 · doi: 10.48550/arxiv.2301.09457 · pith_short_12: 3PS6I3HNU3H6 · pith_short_16: 3PS6I3HNU3H6IMJW · pith_short_8: 3PS6I3HN

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/3PS6I3HNU3H6IMJWCKTA7DC6LI \
  | 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: dbe5e46ceda6cfe4313612a60f8c5e5a17cebe89242de2ac813e930849221ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af464837f0070098094e1c6fd58554363340f88cdb4ee74627bbb45bdd5cf942",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-01-23T14:30:22Z",
    "title_canon_sha256": "628052e01dd9234e4a2e76f83e8c0ae3109e803c8fd0cd2fe286ce606cf77f93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.09457",
    "kind": "arxiv",
    "version": 3
  }
}