Pith Number

pith:B7CZ3QVR

pith:2023:B7CZ3QVR6E7J5S6QVW3UZBN24D

not attested not anchored not stored refs pending

Modern Constraint Programming Education: Lessons for the Future

Pascal Van Hentenryck, Tejas Santanam

arxiv:2306.13676 v2 · 2023-06-20 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B7CZ3QVR6E7J5S6QVW3UZBN24D}

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	2026-07-05T06:44:34.098713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc59dc2b1f13e9ecbd0adb74c85bae0f09f342e1bec1d5a9700a961cef99f4a

Aliases

arxiv: 2306.13676 · arxiv_version: 2306.13676v2 · doi: 10.48550/arxiv.2306.13676 · pith_short_12: B7CZ3QVR6E7J · pith_short_16: B7CZ3QVR6E7J5S6Q · pith_short_8: B7CZ3QVR

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/B7CZ3QVR6E7J5S6QVW3UZBN24D \
  | 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: 0fc59dc2b1f13e9ecbd0adb74c85bae0f09f342e1bec1d5a9700a961cef99f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667a5b40965bf4c0e1fb14fc270fffa5b5870e3f3d8d9499abf293f71b2422b7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2023-06-20T19:42:16Z",
    "title_canon_sha256": "2b0db8e20a1053edec7320c62122d23e1288cd35332957046fc81668504ef7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.13676",
    "kind": "arxiv",
    "version": 2
  }
}