Pith Number

pith:5H2AMUYC

pith:2018:5H2AMUYCYIKJUBTQYFFAZO7CDQ

not attested not anchored not stored refs pending

Combating catastrophic forgetting with developmental compression

Josh C. Bongard, Sam Kriegman, Shawn L.E. Beaulieu

arxiv:1804.04286 v1 · 2018-04-12 · cs.AI · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5H2AMUYCYIKJUBTQYFFAZO7CDQ}

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	2026-05-18T00:18:40.051198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9f4065302c2149a0670c14a0cbbe21c017b28aae39df9fc8c5ce4d43daea420

Aliases

arxiv: 1804.04286 · arxiv_version: 1804.04286v1 · doi: 10.48550/arxiv.1804.04286 · pith_short_12: 5H2AMUYCYIKJ · pith_short_16: 5H2AMUYCYIKJUBTQ · pith_short_8: 5H2AMUYC

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/5H2AMUYCYIKJUBTQYFFAZO7CDQ \
  | 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: e9f4065302c2149a0670c14a0cbbe21c017b28aae39df9fc8c5ce4d43daea420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b47ce297801795d00d549715ea511f6d5947a9936803782111c1a79013a946f",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-04-12T02:20:47Z",
    "title_canon_sha256": "b069c8d441235e1a0e25455d532650cd71a0c350efa881c368db20363db2f63a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04286",
    "kind": "arxiv",
    "version": 1
  }
}