Pith Number

pith:HDGOBDVJ

pith:2021:HDGOBDVJISRQFNASNZWNTAQYRQ

not attested not anchored not stored refs pending

Spectral analysis of climate dynamics with operator-theoretic approaches

Benjamin Lintner, Dimitrios Giannakis, Gary Froyland, Joanna Slawinska, Maxwell Pike

arxiv:2104.02902 v2 · 2021-04-07 · physics.ao-ph · 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{HDGOBDVJISRQFNASNZWNTAQYRQ}

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	2026-07-05T03:49:09.788103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38cce08ea944a302b4126e6cd982188c1dc71eb93893913b1770b49bc2393c19

Aliases

arxiv: 2104.02902 · arxiv_version: 2104.02902v2 · doi: 10.48550/arxiv.2104.02902 · pith_short_12: HDGOBDVJISRQ · pith_short_16: HDGOBDVJISRQFNAS · pith_short_8: HDGOBDVJ

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/HDGOBDVJISRQFNASNZWNTAQYRQ \
  | 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: 38cce08ea944a302b4126e6cd982188c1dc71eb93893913b1770b49bc2393c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86bb51219afd4815a22dd544fc7cb4d1d88717800db66955c456ea9850668e0",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2021-04-07T04:00:40Z",
    "title_canon_sha256": "0426ad971c58bd8b9658dce98b9721f3cd4e5eb51ffab3d2bf6b5730132b42a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02902",
    "kind": "arxiv",
    "version": 2
  }
}