Pith Number

pith:Z54IAKNM

pith:2017:Z54IAKNMS44XTETI7QXK6HOVU6

not attested not anchored not stored refs pending

Optimizing PID parameters with machine learning

Adam Nyberg

arxiv:1709.09227 v1 · 2017-09-26 · 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{Z54IAKNMS44XTETI7QXK6HOVU6}

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	2026-05-18T00:34:12.457685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf788029ac9739799268fc2eaf1dd5a7b3a1e756d357b2373b467313060b7369

Aliases

arxiv: 1709.09227 · arxiv_version: 1709.09227v1 · doi: 10.48550/arxiv.1709.09227 · pith_short_12: Z54IAKNMS44X · pith_short_16: Z54IAKNMS44XTETI · pith_short_8: Z54IAKNM

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/Z54IAKNMS44XTETI7QXK6HOVU6 \
  | 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: cf788029ac9739799268fc2eaf1dd5a7b3a1e756d357b2373b467313060b7369

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b6b54d369c7204bfd741be491d4a7076d9316baa9f0ab2733d5ce96f0a5ca6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2017-09-26T19:20:31Z",
    "title_canon_sha256": "51eaddad7cb9873924eb1d52175ea6442bc048e5e6ebb3f81b0f4fbf2f348e6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09227",
    "kind": "arxiv",
    "version": 1
  }
}