Pith Number

pith:FC5PCYQD

pith:2017:FC5PCYQD6AWNRWNGHNX5R4JDFA

not attested not anchored not stored refs pending

A Pitfall of Unsupervised Pre-Training

Marcus Liwicki, Mathias Seuret, Michele Alberti, Rolf Ingold

arxiv:1712.01655 v3 · 2017-11-23 · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FC5PCYQD6AWNRWNGHNX5R4JDFA}

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	2026-05-18T00:27:48.188659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28baf16203f02cd8d9a63b6fd8f123280e3abddc69c6b44a64e382c36ad7f05b

Aliases

arxiv: 1712.01655 · arxiv_version: 1712.01655v3 · doi: 10.48550/arxiv.1712.01655 · pith_short_12: FC5PCYQD6AWN · pith_short_16: FC5PCYQD6AWNRWNG · pith_short_8: FC5PCYQD

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/FC5PCYQD6AWNRWNGHNX5R4JDFA \
  | 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: 28baf16203f02cd8d9a63b6fd8f123280e3abddc69c6b44a64e382c36ad7f05b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e675f1c8459ecb066bda54453fd7cb181a715a4187c826f21b2e1efb10c588",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-11-23T14:54:18Z",
    "title_canon_sha256": "c4b8ce6a5be2a69aa7b73c86a5248f097c90f6ee3b346aba467ac807416447f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01655",
    "kind": "arxiv",
    "version": 3
  }
}