Pith Number

pith:3NXUJZYV

pith:2019:3NXUJZYVQV7OCEU36Z3NUFEOXC

not attested not anchored not stored refs pending

Probabilistic Permutation Synchronization using the Riemannian Structure of the Birkhoff Polytope

Tolga Birdal, Umut \c{S}im\c{s}ekli

arxiv:1904.05814 v1 · 2019-04-11 · cs.CV · cs.GR · cs.LG · cs.NA · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NXUJZYVQV7OCEU36Z3NUFEOXC}

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	2026-05-17T23:48:48.359158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db6f44e715857ee1129bf676da148eb88d902544845ed8f04de8625a76f39061

Aliases

arxiv: 1904.05814 · arxiv_version: 1904.05814v1 · doi: 10.48550/arxiv.1904.05814 · pith_short_12: 3NXUJZYVQV7O · pith_short_16: 3NXUJZYVQV7OCEU3 · pith_short_8: 3NXUJZYV

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/3NXUJZYVQV7OCEU36Z3NUFEOXC \
  | 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: db6f44e715857ee1129bf676da148eb88d902544845ed8f04de8625a76f39061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0943d8cca6556a0a228061776ab7f6904e17c91586ede1b96a85693ad03046c9",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.LG",
      "cs.NA",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-11T16:12:50Z",
    "title_canon_sha256": "58608eb35e7cdc195a1127db50300cf215d4ec11521699b09d94c094e4df3386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05814",
    "kind": "arxiv",
    "version": 1
  }
}