Pith Number

pith:WTP3X5DM

pith:2015:WTP3X5DMW5ZV4XXJA75IIEFGTT

not attested not anchored not stored refs pending

An Evolutionary Algorithm for Error-Driven Learning via Reinforcement

Erik D. Reichle, Yanping Liu

arxiv:1503.07609 v1 · 2015-03-26 · 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{WTP3X5DMW5ZV4XXJA75IIEFGTT}

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	2026-05-18T02:20:19.258726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4dfbbf46cb7735e5ee907fa8410a69cd9dc8d02b95bcc179295adcd012f957a

Aliases

arxiv: 1503.07609 · arxiv_version: 1503.07609v1 · doi: 10.48550/arxiv.1503.07609 · pith_short_12: WTP3X5DMW5ZV · pith_short_16: WTP3X5DMW5ZV4XXJ · pith_short_8: WTP3X5DM

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/WTP3X5DMW5ZV4XXJA75IIEFGTT \
  | 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: b4dfbbf46cb7735e5ee907fa8410a69cd9dc8d02b95bcc179295adcd012f957a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9bb28a98b89714bf947b6ebeb09ec3cb5c847ed7cb197badf0fc189a5538216",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-03-26T03:33:47Z",
    "title_canon_sha256": "61ec7380bb6b5bc99ef8df59cc4183c8510ed5c5586ccb9d25183cc19ee300b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07609",
    "kind": "arxiv",
    "version": 1
  }
}