Pith Number

pith:QMNNS74K

pith:2021:QMNNS74KCTKQKP5YL3ELBCV2FQ

not attested not anchored not stored refs pending

Optimizing Reusable Knowledge for Continual Learning via Metalearning

Alain Raymond-Saez, Alvaro Soto, Julio Hurtado

arxiv:2106.05390 v3 · 2021-06-09 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QMNNS74KCTKQKP5YL3ELBCV2FQ}

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	2026-07-05T03:36:38.195482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831ad97f8a14d5053fb85ec8b08aba2c320a855bc52e7b69b1d760252b014cc5

Aliases

arxiv: 2106.05390 · arxiv_version: 2106.05390v3 · doi: 10.48550/arxiv.2106.05390 · pith_short_12: QMNNS74KCTKQ · pith_short_16: QMNNS74KCTKQKP5Y · pith_short_8: QMNNS74K

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/QMNNS74KCTKQKP5YL3ELBCV2FQ \
  | 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: 831ad97f8a14d5053fb85ec8b08aba2c320a855bc52e7b69b1d760252b014cc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ca04a8b336091f4a926452290e30c228f513142d49d44de3b7a2f73ea2e5197",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-09T21:09:21Z",
    "title_canon_sha256": "d59839f1bdbf43b9cfbf54581964960eaad54f3974391d08c4fc8dbe5375f2e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05390",
    "kind": "arxiv",
    "version": 3
  }
}