Pith Number

pith:FIDO73O6

pith:2015:FIDO73O6IYN6WNK5GJFT5RYCK5

not attested not anchored not stored refs pending

Polar rotation angle identifies elliptic islands in unsteady dynamical systems

George Haller, Mohammad Farazmand

arxiv:1503.05970 v1 · 2015-03-20 · nlin.CD · math.DS · physics.flu-dyn · physics.geo-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{FIDO73O6IYN6WNK5GJFT5RYCK5}

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	2026-05-18T01:27:46.243269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a06efedde461beb355d324b3ec702577c011728ff3c3f8578c51ce92e290736

Aliases

arxiv: 1503.05970 · arxiv_version: 1503.05970v1 · doi: 10.48550/arxiv.1503.05970 · pith_short_12: FIDO73O6IYN6 · pith_short_16: FIDO73O6IYN6WNK5 · pith_short_8: FIDO73O6

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/FIDO73O6IYN6WNK5GJFT5RYCK5 \
  | 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: 2a06efedde461beb355d324b3ec702577c011728ff3c3f8578c51ce92e290736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17beeb05ceaa03a0e4a84884361954540e88fa2abe4670301cb133bd90e8cfbf",
    "cross_cats_sorted": [
      "math.DS",
      "physics.flu-dyn",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2015-03-20T00:12:42Z",
    "title_canon_sha256": "c626a65e5ca0fb9bf7103e137d86a36a44ec6ffc27dc72e3a4883a3110d3d364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05970",
    "kind": "arxiv",
    "version": 1
  }
}