Pith Number

pith:REFBFHSB

pith:2013:REFBFHSB2ZVVRRUEFCW5H65UEM

not attested not anchored not stored refs pending

Unsupervised feature learning by augmenting single images

Alexey Dosovitskiy, Jost Tobias Springenberg, Thomas Brox

arxiv:1312.5242 v3 · 2013-12-18 · cs.CV · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{REFBFHSB2ZVVRRUEFCW5H65UEM}

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	2026-05-18T02:58:56.451570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

890a129e41d66b58c68428add3fbb423212a957a627d15d23fb42830afdd53bd

Aliases

arxiv: 1312.5242 · arxiv_version: 1312.5242v3 · doi: 10.48550/arxiv.1312.5242 · pith_short_12: REFBFHSB2ZVV · pith_short_16: REFBFHSB2ZVVRRUE · pith_short_8: REFBFHSB

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/REFBFHSB2ZVVRRUEFCW5H65UEM \
  | 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: 890a129e41d66b58c68428add3fbb423212a957a627d15d23fb42830afdd53bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4b19891d8d8f56443ce7cd59bd0db010e23a2ee8633770da429cb02ac2aa11d",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-12-18T17:44:17Z",
    "title_canon_sha256": "6f3fbef4653850c6ec99dc384666edd7e5f8f9745dfcaf255e7342ec8e3f64da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5242",
    "kind": "arxiv",
    "version": 3
  }
}