Pith Number

pith:J6BRUKB7

pith:2021:J6BRUKB7EPPNB3FKUJELR3JH2U

not attested not anchored not stored refs pending

Layerwise Optimization by Gradient Decomposition for Continual Learning

Dapeng Chen, Jinguo Zhu, Shijie Yu, Shixiang Tang, Wanli Ouyang

arxiv:2105.07561 v1 · 2021-05-17 · 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{J6BRUKB7EPPNB3FKUJELR3JH2U}

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	2026-07-05T02:40:42.065683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f831a283f23ded0ecaaa248b8ed27d51272c4c9a7562d5ff8d2f605697fb2ff

Aliases

arxiv: 2105.07561 · arxiv_version: 2105.07561v1 · doi: 10.48550/arxiv.2105.07561 · pith_short_12: J6BRUKB7EPPN · pith_short_16: J6BRUKB7EPPNB3FK · pith_short_8: J6BRUKB7

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/J6BRUKB7EPPNB3FKUJELR3JH2U \
  | 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: 4f831a283f23ded0ecaaa248b8ed27d51272c4c9a7562d5ff8d2f605697fb2ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97460df325190983283f6dd994c25e16b66db8dd73e3ead90049c68778ca1aba",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-17T01:15:57Z",
    "title_canon_sha256": "0bdf74f9bea198d537af3c030dfb3d3f4f4e3d520ff3b64cbf239dc3822548a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07561",
    "kind": "arxiv",
    "version": 1
  }
}