Pith Number

pith:PMK7AULX

pith:2019:PMK7AULX64LLCW6WWS3U27I3VE

not attested not anchored not stored refs pending

Autoencoder-Based Incremental Class Learning without Retraining on Old Data

Euntae Choi, Kiyoung Choi, Kyungmi Lee

arxiv:1907.07872 v1 · 2019-07-18 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMK7AULX64LLCW6WWS3U27I3VE}

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	2026-05-17T23:40:15.886267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b15f05177f716b15bd6b4b74d7d1ba90c4559be4b232d06775cab5e2ac40566

Aliases

arxiv: 1907.07872 · arxiv_version: 1907.07872v1 · doi: 10.48550/arxiv.1907.07872 · pith_short_12: PMK7AULX64LL · pith_short_16: PMK7AULX64LLCW6W · pith_short_8: PMK7AULX

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/PMK7AULX64LLCW6WWS3U27I3VE \
  | 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: 7b15f05177f716b15bd6b4b74d7d1ba90c4559be4b232d06775cab5e2ac40566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a208e0738cd7506f294bfb7aea20541b17135452b81e5e3144b5ba9017bada7",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-07-18T04:51:25Z",
    "title_canon_sha256": "475883844a05287dffd9d9680cd10cff1cc4440255c3745d5b5ada11097f6c94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07872",
    "kind": "arxiv",
    "version": 1
  }
}