Pith Number

pith:VZ63GN5F

pith:2015:VZ63GN5FXGQATMP2ELNTMU25H2

not attested not anchored not stored refs pending

Local observability of state variables and parameters in nonlinear modeling quantified by delay reconstruction

Jan Schumann-Bischoff, Stefan Luther, Ulrich Parlitz

arxiv:1507.05993 v1 · 2015-07-09 · nlin.CD · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VZ63GN5FXGQATMP2ELNTMU25H2}

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	2026-05-18T01:36:26.992750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae7db337a5b9a009b1fa22db36535d3e882f88ea0909df4cf9e54caa621db2ab

Aliases

arxiv: 1507.05993 · arxiv_version: 1507.05993v1 · doi: 10.48550/arxiv.1507.05993 · pith_short_12: VZ63GN5FXGQA · pith_short_16: VZ63GN5FXGQATMP2 · pith_short_8: VZ63GN5F

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/VZ63GN5FXGQATMP2ELNTMU25H2 \
  | 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: ae7db337a5b9a009b1fa22db36535d3e882f88ea0909df4cf9e54caa621db2ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ac76dfebfc54d303252591995ca9e3e68864a189f543943770a9aefcfb50be2",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2015-07-09T12:26:32Z",
    "title_canon_sha256": "fefc050435a63f8d1df83d442ae090402e325e36da38496a4e1c247b5b2265ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05993",
    "kind": "arxiv",
    "version": 1
  }
}