Pith Number

pith:JEC63BPH

pith:2025:JEC63BPH6CO7C2QAVEGDQDT3MR

not attested not anchored not stored refs pending

A categorical perspective on constraint satisfaction: The wonderland of adjunctions

Jakub Opr\v{s}al, Maximilian Hadek, Tom\'a\v{s} Jakl

arxiv:2503.10353 v3 · 2025-03-13 · cs.LO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JEC63BPH6CO7C2QAVEGDQDT3MR}

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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.

Cited by

1 paper in Pith

Toward a Uniform Algorithm and Uniform Reduction for Constraint Problems

Receipt and verification

First computed	2026-05-17T23:39:01.464536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4905ed85e7f09df16a00a90c380e7b6473d1dc1aa9ebb4835daf1147464e7d23

Aliases

arxiv: 2503.10353 · arxiv_version: 2503.10353v3 · doi: 10.48550/arxiv.2503.10353 · pith_short_12: JEC63BPH6CO7 · pith_short_16: JEC63BPH6CO7C2QA · pith_short_8: JEC63BPH

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/JEC63BPH6CO7C2QAVEGDQDT3MR \
  | 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: 4905ed85e7f09df16a00a90c380e7b6473d1dc1aa9ebb4835daf1147464e7d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a50c59df63701e3115bc7898dc9efd8a3c2138e462d1e597e8bafa5d055490f",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-03-13T13:28:55Z",
    "title_canon_sha256": "9be28628e824338eb1dbb9023e3ee6a99b9a8d4d86222178d087f4a18e05583c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.10353",
    "kind": "arxiv",
    "version": 3
  }
}