Pith Number

pith:73LRH4PQ

pith:2019:73LRH4PQS3P76WYK5JPGNSACUY

not attested not anchored not stored refs pending

Heterogeneous Multi-task Metric Learning across Multiple Domains

Dacheng Tao, Yonggang Wen, Yong Luo

arxiv:1904.04081 v1 · 2019-04-08 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73LRH4PQS3P76WYK5JPGNSACUY}

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	2026-05-17T23:49:07.139623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fed713f1f096dfff5b0aea5e66c802a62d93068be8d011685771480e4b56043c

Aliases

arxiv: 1904.04081 · arxiv_version: 1904.04081v1 · doi: 10.48550/arxiv.1904.04081 · pith_short_12: 73LRH4PQS3P7 · pith_short_16: 73LRH4PQS3P76WYK · pith_short_8: 73LRH4PQ

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/73LRH4PQS3P76WYK5JPGNSACUY \
  | 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: fed713f1f096dfff5b0aea5e66c802a62d93068be8d011685771480e4b56043c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6fd35a816b5e274831edacee2d42e357d2daf9f78ab42982f94dfcb34689519",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-04-08T13:59:36Z",
    "title_canon_sha256": "d59de8e5236ed7ff91a491965142fe6d728f75c2d952289cc5817544a228a034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04081",
    "kind": "arxiv",
    "version": 1
  }
}