Pith Number

pith:HMZX4URR

pith:2015:HMZX4URRZMN5ICF6VNW2QEM7UY

not attested not anchored not stored refs pending

The Computational Principles of Learning Ability

Hao Wu

arxiv:1509.08891 v1 · 2015-09-23 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMZX4URRZMN5ICF6VNW2QEM7UY}

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	2026-05-18T01:31:46.895426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b337e5231cb1bd408beab6da8119fa62b5f9ff28f912445591458edc1261aef

Aliases

arxiv: 1509.08891 · arxiv_version: 1509.08891v1 · doi: 10.48550/arxiv.1509.08891 · pith_short_12: HMZX4URRZMN5 · pith_short_16: HMZX4URRZMN5ICF6 · pith_short_8: HMZX4URR

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/HMZX4URRZMN5ICF6VNW2QEM7UY \
  | 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: 3b337e5231cb1bd408beab6da8119fa62b5f9ff28f912445591458edc1261aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "042208280ec44bd19f099676a4fe7ef11829fae107a6508857292b759ee2a61c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-09-23T04:25:44Z",
    "title_canon_sha256": "c64d9740b45dae7f5cf5ddb894fddb2ca427998493177a61212a4a2b4cb653d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08891",
    "kind": "arxiv",
    "version": 1
  }
}