Pith Number

pith:OU766ZP5

pith:2026:OU766ZP5MWADOXEA5GHYN24NJC

not attested not anchored not stored refs pending

The 2026 Algorithmic Information Theory Data Compression Challenge

Afonso Ferreira, Andr\'e Cardoso, Andr\'e Ribeiro, \^Angela Ribeiro, Ant\'onio Alberto, Armando J. Pinho, Cl\'audia Seabra, David Pelicano, Diogo Fernandes, Diogo Pratas, Duarte Santos, Eduardo Lopes, Fouad Bellili, Gabriel Silva, Guilherme Rosa, Henrique Teixeira, Hugo Castro, Hugo Ribeiro, Jo\~ao Rold\~ao, Jo\~ao Varela, Lu\'is Diogo, Maria Linhares, Martim Santos, Ricardo Fonseca, Richard Miranda, Rodrigo Abreu, R\'uben Garrido, Rui Machado, Sebasti\~ao Teixeira, Tom\'as Br\'as, Violeta Ramos

arxiv:2606.17712 v1 · 2026-06-16 · cs.IT · cs.DS · 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{OU766ZP5MWADOXEA5GHYN24NJC}

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	2026-06-19T16:10:20.126842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753fef65fd6580375c80e98f86eb8d489967c3283906a928fa77799e6efb8f20

Aliases

arxiv: 2606.17712 · arxiv_version: 2606.17712v1 · doi: 10.48550/arxiv.2606.17712 · pith_short_12: OU766ZP5MWAD · pith_short_16: OU766ZP5MWADOXEA · pith_short_8: OU766ZP5

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/OU766ZP5MWADOXEA5GHYN24NJC \
  | 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: 753fef65fd6580375c80e98f86eb8d489967c3283906a928fa77799e6efb8f20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eaedf673ac17146acf83f12b5c1db316f5f8d6cebc3be688c2e8d2bed73b0fc",
    "cross_cats_sorted": [
      "cs.DS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-06-16T09:22:39Z",
    "title_canon_sha256": "7a58d48fb6c397bc49b1c962ab8d1e3e0c366375a0933fc6c976fa2ed81f3872"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17712",
    "kind": "arxiv",
    "version": 1
  }
}