Pith Number

pith:4DSFRING

pith:2016:4DSFRINGLFQBEV3AIIW4CEOVA4

not attested not anchored not stored refs pending

CP-mtML: Coupled Projection multi-task Metric Learning for Large Scale Face Retrieval

Binod Bhattarai, Frederic Jurie, Gaurav Sharma

arxiv:1604.02975 v1 · 2016-04-11 · 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{4DSFRINGLFQBEV3AIIW4CEOVA4}

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	2026-05-18T01:17:21.725870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0e458a1a65960125760422dc111d5070a5e9d9260d8755fb16c81a7fa1053e3

Aliases

arxiv: 1604.02975 · arxiv_version: 1604.02975v1 · doi: 10.48550/arxiv.1604.02975 · pith_short_12: 4DSFRINGLFQB · pith_short_16: 4DSFRINGLFQBEV3A · pith_short_8: 4DSFRING

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/4DSFRINGLFQBEV3AIIW4CEOVA4 \
  | 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: e0e458a1a65960125760422dc111d5070a5e9d9260d8755fb16c81a7fa1053e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea1a7b2bf9e17c80b3b482a5c17c16c43e1bb164ceaa25d6eb7f9f900dfefd6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-11T14:30:38Z",
    "title_canon_sha256": "e252748c229ce010f2486693be00be6a8ecca0ae6fb87ff285b5fc6f9c38566e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02975",
    "kind": "arxiv",
    "version": 1
  }
}