Pith Number

pith:PIGQUTNM

pith:2021:PIGQUTNMB4OYNSTRRQZ4KLIPNY

not attested not anchored not stored refs pending

Ex-Model: Continual Learning from a Stream of Trained Models

Andrea Cossu, Antonio Carta, Davide Bacciu, Vincenzo Lomonaco

arxiv:2112.06511 v1 · 2021-12-13 · cs.LG · cs.AI · 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{PIGQUTNMB4OYNSTRRQZ4KLIPNY}

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	2026-07-05T03:40:14.478544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0d0a4dac0f1d86ca718c33c52d0f6e1120df701dd66c16f28b3f4d8b68afb8

Aliases

arxiv: 2112.06511 · arxiv_version: 2112.06511v1 · doi: 10.48550/arxiv.2112.06511 · pith_short_12: PIGQUTNMB4OY · pith_short_16: PIGQUTNMB4OYNSTR · pith_short_8: PIGQUTNM

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/PIGQUTNMB4OYNSTRRQZ4KLIPNY \
  | 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: 7a0d0a4dac0f1d86ca718c33c52d0f6e1120df701dd66c16f28b3f4d8b68afb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e85c3becc977e9fad9816bb57c3e4b3d32639a8a0876296b036c5b9fb2fb8f0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-12-13T09:46:16Z",
    "title_canon_sha256": "28e61addfa68fd5615dd61336addaf38fbdba467740ed7b783f79600ff2d2ac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06511",
    "kind": "arxiv",
    "version": 1
  }
}