Pith Number

pith:U3KDBKME

pith:2015:U3KDBKME4N4KVHIYUEMC2VJWGE

not attested not anchored not stored refs pending

Solving Jigsaw Puzzles with Linear Programming

Chris Russell, Lourdes Agapito, Rui Yu

arxiv:1511.04472 v1 · 2015-11-13 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3KDBKME4N4KVHIYUEMC2VJWGE}

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.

Cited by

2 papers in Pith

Pictorial and apictorial polygonal jigsaw puzzles from arbitrary number of crossing cuts

The Missing GAP: From Solving Square Jigsaw Puzzles to Handling Real World Archaeological Fragments

Receipt and verification

First computed	2026-05-18T01:26:56.954983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d430a984e378aa9d18a1182d553631048375e6bc7499172f3697f794a39faf

Aliases

arxiv: 1511.04472 · arxiv_version: 1511.04472v1 · doi: 10.48550/arxiv.1511.04472 · pith_short_12: U3KDBKME4N4K · pith_short_16: U3KDBKME4N4KVHIY · pith_short_8: U3KDBKME

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/U3KDBKME4N4KVHIYUEMC2VJWGE \
  | 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: a6d430a984e378aa9d18a1182d553631048375e6bc7499172f3697f794a39faf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30512f9e9b25b41da33f6d689732a52e1797fa08d30193b968234723898f92f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-11-13T22:15:54Z",
    "title_canon_sha256": "34a309d5c2ba326b27f0539cb3e5c22646de470a64d57a4fd214b57cf70b0bbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04472",
    "kind": "arxiv",
    "version": 1
  }
}