Pith Number

pith:TXB5RZQZ

pith:2014:TXB5RZQZPTKZQ6D232EGNWDOVU

not attested not anchored not stored refs pending

Two-Stage Metric Learning

Alexandros Kalousis, Fei Sha, Jun Wang, Ke Sun, Stephane Marchand-Maillet

arxiv:1405.2798 v1 · 2014-05-12 · cs.LG · cs.AI · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXB5RZQZPTKZQ6D232EGNWDOVU}

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	2026-05-18T02:51:49.365754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dc3d8e6197cd598787ade8866d86ead345cd0c7aba9678cd87bba04d3cb65eb

Aliases

arxiv: 1405.2798 · arxiv_version: 1405.2798v1 · doi: 10.48550/arxiv.1405.2798 · pith_short_12: TXB5RZQZPTKZ · pith_short_16: TXB5RZQZPTKZQ6D2 · pith_short_8: TXB5RZQZ

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/TXB5RZQZPTKZQ6D232EGNWDOVU \
  | 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: 9dc3d8e6197cd598787ade8866d86ead345cd0c7aba9678cd87bba04d3cb65eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92a8b06ccb56b0804cf117bf61d1e06704b8c324823067c4cf8cb6dc783d64e3",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-05-12T15:18:15Z",
    "title_canon_sha256": "667170a481a261f684b027491490b8c5c369ba9062c59b6d4fec691b868bcf92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2798",
    "kind": "arxiv",
    "version": 1
  }
}