Pith Number

pith:GGQEKSW7

pith:2017:GGQEKSW7YM56TUQRXGMLHWZPH4

not attested not anchored not stored refs pending

A Concave Optimization Algorithm for Matching Partially Overlapping Point Sets

Lei Zhang, Wei Lian

arxiv:1701.00951 v1 · 2017-01-04 · 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{GGQEKSW7YM56TUQRXGMLHWZPH4}

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	2026-05-18T00:53:21.829506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a0454adfc33be9d211b998b3db2f3f2a6c9c639511f48a61bdd493a126c635

Aliases

arxiv: 1701.00951 · arxiv_version: 1701.00951v1 · doi: 10.48550/arxiv.1701.00951 · pith_short_12: GGQEKSW7YM56 · pith_short_16: GGQEKSW7YM56TUQR · pith_short_8: GGQEKSW7

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/GGQEKSW7YM56TUQRXGMLHWZPH4 \
  | 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: 31a0454adfc33be9d211b998b3db2f3f2a6c9c639511f48a61bdd493a126c635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36dc8fe56dc6509baca72e3927f45d61f6a02fd941fd0177d06c91760f049482",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-04T10:28:10Z",
    "title_canon_sha256": "b3143d511b9326e98e8bd653c35c08ae0e1c18b31be69641063e3ec3a327e9a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00951",
    "kind": "arxiv",
    "version": 1
  }
}