Pith Number

pith:B5VZAA3P

pith:2019:B5VZAA3PI34RD2Z74RJFVPLB67

not attested not anchored not stored refs pending

Iterative Self-Learning: Semi-Supervised Improvement to Dataset Volumes and Model Accuracy

Jiri Fajtl, Paolo Remagnin, Robert Dupre, Vasileios Argyriou

arxiv:1906.02823 v1 · 2019-06-06 · 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{B5VZAA3PI34RD2Z74RJFVPLB67}

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	2026-05-17T23:43:57.417631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f6b90036f46f911eb3fe4525abd61f7c73839f5d1d39e3b7d81b064bd4cbd4b

Aliases

arxiv: 1906.02823 · arxiv_version: 1906.02823v1 · doi: 10.48550/arxiv.1906.02823 · pith_short_12: B5VZAA3PI34R · pith_short_16: B5VZAA3PI34RD2Z7 · pith_short_8: B5VZAA3P

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/B5VZAA3PI34RD2Z74RJFVPLB67 \
  | 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: 0f6b90036f46f911eb3fe4525abd61f7c73839f5d1d39e3b7d81b064bd4cbd4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de91be6db9038ad5aef883d85968425694bf1051df8249096518e1803339f8b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-06T21:20:12Z",
    "title_canon_sha256": "f72d14e6f7b9e09ecc616362ba53921bf4a321c396b90c11ce9bc397610f6d05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02823",
    "kind": "arxiv",
    "version": 1
  }
}