Pith Number

pith:ILHT3DIX

pith:2019:ILHT3DIXALHOD5P4UNDI7Q23DI

not attested not anchored not stored refs pending

Sparse Bounded Degree Sum of Squares Optimization for Certifiably Globally Optimal Rotation Averaging

Filip Maric, Jonathan Kelly, Matthew Giamou, Valentin Peretroukhin

arxiv:1904.01645 v2 · 2019-04-02 · 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{ILHT3DIXALHOD5P4UNDI7Q23DI}

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	2026-05-17T23:43:23.072109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42cf3d8d1702cee1f5fca3468fc35b1a1983aec46b215c39be5fedb9b678c15e

Aliases

arxiv: 1904.01645 · arxiv_version: 1904.01645v2 · doi: 10.48550/arxiv.1904.01645 · pith_short_12: ILHT3DIXALHO · pith_short_16: ILHT3DIXALHOD5P4 · pith_short_8: ILHT3DIX

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/ILHT3DIXALHOD5P4UNDI7Q23DI \
  | 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: 42cf3d8d1702cee1f5fca3468fc35b1a1983aec46b215c39be5fedb9b678c15e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2d8d7418a8335007916e83edfcf9c600541576fd447f80ed236525772601d29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-02T20:02:14Z",
    "title_canon_sha256": "91f9dd61bf92092cff3e38e4061535f30d0fa77c42b86e681387726f72839352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01645",
    "kind": "arxiv",
    "version": 2
  }
}