Pith Number

pith:JEUD2X53

pith:2018:JEUD2X535TKNIBFHML2KF5JLNF

not attested not anchored not stored refs pending

Person re-identification across different datasets with multi-task learning

Antoine Cecchi, Matthieu Ospici

arxiv:1807.09666 v1 · 2018-07-25 · 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{JEUD2X535TKNIBFHML2KF5JLNF}

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	2026-05-18T00:09:50.617115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49283d5fbbecd4d404a762f4a2f52b696f5f8ba2e8bcf7c59dea06b954f07a2a

Aliases

arxiv: 1807.09666 · arxiv_version: 1807.09666v1 · doi: 10.48550/arxiv.1807.09666 · pith_short_12: JEUD2X535TKN · pith_short_16: JEUD2X535TKNIBFH · pith_short_8: JEUD2X53

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/JEUD2X535TKNIBFHML2KF5JLNF \
  | 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: 49283d5fbbecd4d404a762f4a2f52b696f5f8ba2e8bcf7c59dea06b954f07a2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21139fa2381d3ede3911d519755bdce6f9e6f5e4ef47570b6ab9dfbc82208018",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-25T15:27:32Z",
    "title_canon_sha256": "5874ae8773df27e8b6f8b648bd1ad6cc664ceb3653a2c9910388fe06664f1119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09666",
    "kind": "arxiv",
    "version": 1
  }
}