Pith Number

pith:CA6EUA3H

pith:2016:CA6EUA3HKMWHPOHWU2XP2JDGWL

not attested not anchored not stored refs pending

Stochastic Dykstra Algorithms for Metric Learning on Positive Semi-Definite Cone

Jun Sese, Raissa Relator, Tomoki Matsuzawa, Tsuyoshi Kato

arxiv:1601.01422 v1 · 2016-01-07 · 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{CA6EUA3HKMWHPOHWU2XP2JDGWL}

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	2026-05-18T01:23:13.723746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

103c4a0367532c77b8f6a6aefd2466b2fa3cda6adfb7c2882e10cc24a67c4228

Aliases

arxiv: 1601.01422 · arxiv_version: 1601.01422v1 · doi: 10.48550/arxiv.1601.01422 · pith_short_12: CA6EUA3HKMWH · pith_short_16: CA6EUA3HKMWHPOHW · pith_short_8: CA6EUA3H

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/CA6EUA3HKMWHPOHWU2XP2JDGWL \
  | 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: 103c4a0367532c77b8f6a6aefd2466b2fa3cda6adfb7c2882e10cc24a67c4228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9964240c5529e94995e1af590ae9f74aa333079d4fd7559df4979fef3e4f59ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-01-07T07:29:45Z",
    "title_canon_sha256": "afa189abb19892ff8e8b589a3e0e84b1b602ad956ab4212ece1ee4e6cda188fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01422",
    "kind": "arxiv",
    "version": 1
  }
}