Pith Number

pith:COWC3ZQH

pith:2019:COWC3ZQHS5LIB5J7OCCM3FAWPF

not attested not anchored not stored refs pending

Learning Similarity Conditions Without Explicit Supervision

Bryan A. Plummer, Kate Saenko, Mariya I. Vasileva, Reuben Tan

arxiv:1908.08589 v1 · 2019-08-22 · 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{COWC3ZQHS5LIB5J7OCCM3FAWPF}

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	2026-07-04T23:59:15.784146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13ac2de607975680f53f7084cd94167948e1b7fa6b35efd32b9b1cc5463c8320

Aliases

arxiv: 1908.08589 · arxiv_version: 1908.08589v1 · doi: 10.48550/arxiv.1908.08589 · pith_short_12: COWC3ZQHS5LI · pith_short_16: COWC3ZQHS5LIB5J7 · pith_short_8: COWC3ZQH

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/COWC3ZQHS5LIB5J7OCCM3FAWPF \
  | 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: 13ac2de607975680f53f7084cd94167948e1b7fa6b35efd32b9b1cc5463c8320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7312dec9bad20a886461e4c681ad6368e669f25aab26ed14f51da60ceb9297a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-22T20:35:04Z",
    "title_canon_sha256": "09460c334f56bab20d9ec6088cc06ac0bbf78a11ac81dcb343c44b42b7d84b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08589",
    "kind": "arxiv",
    "version": 1
  }
}