Pith Number

pith:SW5UCHIC

pith:2017:SW5UCHICQRGRN76KZFUACETYU7

not attested not anchored not stored refs pending

From dynamical systems with time-varying delay to circle maps and Koopmanism

Andreas Otto, David M\"uller, G\"unter Radons

arxiv:1701.05136 v2 · 2017-01-18 · nlin.CD · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SW5UCHICQRGRN76KZFUACETYU7}

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	2026-05-18T00:42:02.117035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95bb411d02844d16ffcac968011278a7d140b6236ba2693f9040c2e0a4a7a07a

Aliases

arxiv: 1701.05136 · arxiv_version: 1701.05136v2 · doi: 10.48550/arxiv.1701.05136 · pith_short_12: SW5UCHICQRGR · pith_short_16: SW5UCHICQRGRN76K · pith_short_8: SW5UCHIC

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/SW5UCHICQRGRN76KZFUACETYU7 \
  | 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: 95bb411d02844d16ffcac968011278a7d140b6236ba2693f9040c2e0a4a7a07a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f59264fbb318c3d5e0db5ff0300a29cb63262bb329b4bbbc936b019b16f342",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2017-01-18T16:35:44Z",
    "title_canon_sha256": "999079010f88ff1ee6e7736c5b55d2b23afee88e145e187c508ddcad59795431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05136",
    "kind": "arxiv",
    "version": 2
  }
}