Pith Number

pith:PNQYUK4D

pith:2016:PNQYUK4DL6FL7BT2GCD236YLKE

not attested not anchored not stored refs pending

Prediction of Dynamical Systems by Symbolic Regression

Bernd R. Noack, Kamran Shafi, Markus Abel, Markus Quade, Robert K. Niven

arxiv:1602.04648 v1 · 2016-02-15 · physics.data-an · nlin.AO · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNQYUK4DL6FL7BT2GCD236YLKE}

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	2026-05-18T01:10:07.009474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b618a2b835f8abf867a3087adfb0b510c442449009680ba679056af614cdcde

Aliases

arxiv: 1602.04648 · arxiv_version: 1602.04648v1 · doi: 10.48550/arxiv.1602.04648 · pith_short_12: PNQYUK4DL6FL · pith_short_16: PNQYUK4DL6FL7BT2 · pith_short_8: PNQYUK4D

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/PNQYUK4DL6FL7BT2GCD236YLKE \
  | 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: 7b618a2b835f8abf867a3087adfb0b510c442449009680ba679056af614cdcde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0975281112982662046a7c6dddafca53bbc418a3694f6a26e7ba3bacfc5bebd9",
    "cross_cats_sorted": [
      "nlin.AO",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2016-02-15T12:25:17Z",
    "title_canon_sha256": "d6555240891fac4e6b5e0e7ca72f2079a8e47204555ce5ef26279f0ebb91c29e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04648",
    "kind": "arxiv",
    "version": 1
  }
}