Pith Number

pith:3WCJ3ZMV

pith:2021:3WCJ3ZMVHC5H6HRVC7H4QM4DE7

not attested not anchored not stored refs pending

Modelling the development of counting with memory-augmented neural networks

Jonathan Cohen, Taylor Webb, Zack Dulberg

arxiv:2105.10577 v1 · 2021-05-21 · 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{3WCJ3ZMVHC5H6HRVC7H4QM4DE7}

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	2026-07-05T02:42:15.922527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd849de59538ba7f1e3517cfc8338327d32f17fb814aeefb62febfc3318d7325

Aliases

arxiv: 2105.10577 · arxiv_version: 2105.10577v1 · doi: 10.48550/arxiv.2105.10577 · pith_short_12: 3WCJ3ZMVHC5H · pith_short_16: 3WCJ3ZMVHC5H6HRV · pith_short_8: 3WCJ3ZMV

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/3WCJ3ZMVHC5H6HRVC7H4QM4DE7 \
  | 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: dd849de59538ba7f1e3517cfc8338327d32f17fb814aeefb62febfc3318d7325

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c523c7845fea53a5e3224636649e79e8e98929e0e7cc41c4165b192dba6e8cd8",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-05-21T21:17:06Z",
    "title_canon_sha256": "3a4f685ca634f51d24d4493a8a002a45f35506a22b723cdc3d5cbca97d239da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10577",
    "kind": "arxiv",
    "version": 1
  }
}