Pith Number

pith:ETKOT56R

pith:2012:ETKOT56RX2UPQCIQTYQBEOMNIV

not attested not anchored not stored refs pending

Linear Programming Upper Bounds on Permutation Code Sizes From Coherent Configurations Related to the Kendall Tau Distance Metric

Fabian Lim, Manabu Hagiwara

arxiv:1202.0241 v3 · 2012-02-01 · 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{ETKOT56RX2UPQCIQTYQBEOMNIV}

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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	2026-05-18T03:54:14.907086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24d4e9f7d1bea8f809109e2012398d4557e94d250c68b0547f32b76a1764753e

Aliases

arxiv: 1202.0241 · arxiv_version: 1202.0241v3 · doi: 10.48550/arxiv.1202.0241 · pith_short_12: ETKOT56RX2UP · pith_short_16: ETKOT56RX2UPQCIQ · pith_short_8: ETKOT56R

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/ETKOT56RX2UPQCIQTYQBEOMNIV \
  | 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: 24d4e9f7d1bea8f809109e2012398d4557e94d250c68b0547f32b76a1764753e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63ed261cb4b788e9c443b1360d80303ff12f800774c3d9bab79c8f60d90e4c5d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-01T18:45:51Z",
    "title_canon_sha256": "087f31fac3a86494f9ac914e992da96427b7c543fe6dbc0a8457757e0406e438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0241",
    "kind": "arxiv",
    "version": 3
  }
}