Pith Number

pith:BQVLJNBK

pith:2019:BQVLJNBK5IHGFY4T5TPDXNC3HH

not attested not anchored not stored refs pending

Contrastive Learning for Lifted Networks

Christopher Zach, Virginia Estellers

arxiv:1905.02507 v2 · 2019-05-07 · 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{BQVLJNBK5IHGFY4T5TPDXNC3HH}

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.

Cited by

1 paper in Pith

Augmented Lagrangian Predictive Coding

Receipt and verification

First computed	2026-05-17T23:39:30.185502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c2ab4b42aea0e62e393ecde3bb45b39d67a5ed056b2ead4d04d8bd7d866b519

Aliases

arxiv: 1905.02507 · arxiv_version: 1905.02507v2 · doi: 10.48550/arxiv.1905.02507 · pith_short_12: BQVLJNBK5IHG · pith_short_16: BQVLJNBK5IHGFY4T · pith_short_8: BQVLJNBK

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/BQVLJNBK5IHGFY4T5TPDXNC3HH \
  | 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: 0c2ab4b42aea0e62e393ecde3bb45b39d67a5ed056b2ead4d04d8bd7d866b519

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f962e8b52b35c9ad9679d7e8259d2d9756f382bac5b4c9f6f95f5d61ad76e4ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-07T12:49:03Z",
    "title_canon_sha256": "a1737637a0b6baebd1d5e8eeea3cddbf25a44adb34de56a86af3b8f9a2aeedd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02507",
    "kind": "arxiv",
    "version": 2
  }
}