Pith Number

pith:OP2NUA66

pith:2018:OP2NUA66QCEBZCFE2UZGLWSJ6O

not attested not anchored not stored refs pending

Semi-supervised Hashing for Semi-Paired Cross-View Retrieval

Josef Kittler, Jun Yu, Xiao-Jun Wu

arxiv:1806.07155 v1 · 2018-06-19 · 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{OP2NUA66QCEBZCFE2UZGLWSJ6O}

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	2026-05-18T00:12:51.722974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73f4da03de80881c88a4d53265da49f39c34bf5eb276651ad5ba41b283ada8b3

Aliases

arxiv: 1806.07155 · arxiv_version: 1806.07155v1 · doi: 10.48550/arxiv.1806.07155 · pith_short_12: OP2NUA66QCEB · pith_short_16: OP2NUA66QCEBZCFE · pith_short_8: OP2NUA66

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/OP2NUA66QCEBZCFE2UZGLWSJ6O \
  | 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: 73f4da03de80881c88a4d53265da49f39c34bf5eb276651ad5ba41b283ada8b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca500f0f2c82fb02e3c82727a21a66941978ba245db1bc9931c10ea17a0a6acb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-19T11:17:37Z",
    "title_canon_sha256": "71c42fe5a2bc7fd29b1bc4b4b4dd02ce02f44b782e0f79c28d33658368e2512c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07155",
    "kind": "arxiv",
    "version": 1
  }
}