Pith Number

pith:3GA6OL4H

pith:2013:3GA6OL4HVN4DSN4WG5BYVIZVOB

not attested not anchored not stored refs pending

Global registration of multiple point clouds using semidefinite programming

Amit Singer, Kunal N. Chaudhury, YueHaw Khoo

arxiv:1306.5226 v5 · 2013-06-21 · cs.CV · cs.NA · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3GA6OL4HVN4DSN4WG5BYVIZVOB}

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	2026-05-18T02:30:40.613351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d981e72f87ab7839379637438aa335705de69adff129c45f8f53f45808611c82

Aliases

arxiv: 1306.5226 · arxiv_version: 1306.5226v5 · doi: 10.48550/arxiv.1306.5226 · pith_short_12: 3GA6OL4HVN4D · pith_short_16: 3GA6OL4HVN4DSN4W · pith_short_8: 3GA6OL4H

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/3GA6OL4HVN4DSN4WG5BYVIZVOB \
  | 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: d981e72f87ab7839379637438aa335705de69adff129c45f8f53f45808611c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d039c2436c158476dac31c6dc9d38ce512d358bf37a06de7ae5812c4140b310",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-06-21T19:55:40Z",
    "title_canon_sha256": "032651f3597de8346e52956b99498e6c430a6d0b2320d0fe63f0c0e29b0efc5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5226",
    "kind": "arxiv",
    "version": 5
  }
}