Pith Number

pith:B746JPAE

pith:2019:B746JPAEQGF4YYB5Q24W6RH5LC

not attested not anchored not stored refs pending

Signal and noise in regime systems: a hypothesis on the predictability of the North Atlantic Oscillation

Kristian Strommen, Tim N. Palmer

arxiv:1904.13322 v1 · 2019-04-30 · physics.ao-ph · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B746JPAEQGF4YYB5Q24W6RH5LC}

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	2026-05-17T23:47:21.651431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff9e4bc04818bcc603d86b96f44fd58907cf99c85b763106906fa0dc8cf6569

Aliases

arxiv: 1904.13322 · arxiv_version: 1904.13322v1 · doi: 10.48550/arxiv.1904.13322 · pith_short_12: B746JPAEQGF4 · pith_short_16: B746JPAEQGF4YYB5 · pith_short_8: B746JPAE

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/B746JPAEQGF4YYB5Q24W6RH5LC \
  | 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: 0ff9e4bc04818bcc603d86b96f44fd58907cf99c85b763106906fa0dc8cf6569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd3e459f5e292bcd1875bd6dcef2e271fec9c14fe9d59be7b3ab023625d7bf5",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2019-04-30T15:36:13Z",
    "title_canon_sha256": "0cb0015c2ce70e1f4772d29e96579f1a73dbc70d1ac4f6854e9a7065c391649d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13322",
    "kind": "arxiv",
    "version": 1
  }
}