Pith Number

pith:QXLRADKR

pith:2017:QXLRADKRSILXPTAXQKP3YMZ2YF

not attested not anchored not stored refs pending

A Pitfall of Unsupervised Pre-Training

Fribourg, Marcus Liwicki (University Of Fribourg, Mathias Seuret, Michele Alberti, Rolf Ingold, Switzerland)

arxiv:1703.04332 v4 · 2017-03-13 · 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{QXLRADKRSILXPTAXQKP3YMZ2YF}

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	2026-05-18T00:27:52.738543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85d7100d51921777cc17829fbc333ac166a50ec4fde96318778178efeb3ccf0f

Aliases

arxiv: 1703.04332 · arxiv_version: 1703.04332v4 · doi: 10.48550/arxiv.1703.04332 · pith_short_12: QXLRADKRSILX · pith_short_16: QXLRADKRSILXPTAX · pith_short_8: QXLRADKR

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/QXLRADKRSILXPTAXQKP3YMZ2YF \
  | 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: 85d7100d51921777cc17829fbc333ac166a50ec4fde96318778178efeb3ccf0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e675f1c8459ecb066bda54453fd7cb181a715a4187c826f21b2e1efb10c588",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-13T11:19:00Z",
    "title_canon_sha256": "c4b8ce6a5be2a69aa7b73c86a5248f097c90f6ee3b346aba467ac807416447f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04332",
    "kind": "arxiv",
    "version": 4
  }
}