Pith Number

pith:QPOK3VDX

pith:2020:QPOK3VDXFCPKFOFKXYXUYESR3S

not attested not anchored not stored refs pending

Dynamic memory to alleviate catastrophic forgetting in continuous learning settings

Christian Herold, Georg Langs, James A. Brink, Johannes Hofmanninger, Matthias Perkonigg, Oleg Pianykh

arxiv:2007.02639 v2 · 2020-07-06 · cs.LG · cs.CV · 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{QPOK3VDXFCPKFOFKXYXUYESR3S}

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	2026-07-05T01:16:58.171190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83dcadd477289ea2b8aabe2f4c1251dc8085650d51f395ca74e7bde50c7bbece

Aliases

arxiv: 2007.02639 · arxiv_version: 2007.02639v2 · doi: 10.48550/arxiv.2007.02639 · pith_short_12: QPOK3VDXFCPK · pith_short_16: QPOK3VDXFCPKFOFK · pith_short_8: QPOK3VDX

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/QPOK3VDXFCPKFOFKXYXUYESR3S \
  | 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: 83dcadd477289ea2b8aabe2f4c1251dc8085650d51f395ca74e7bde50c7bbece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d8c9b0ddf5447a3fc7abbbb0b05492de85ffcf0dedd1ccb5e0eed161644b047",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-07-06T11:02:38Z",
    "title_canon_sha256": "9b227b54712f3548070f1253d5522d7c06b260f4716c6b1092f40d2cf58fb432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02639",
    "kind": "arxiv",
    "version": 2
  }
}