Pith Number

pith:NNFQVV7T

pith:2017:NNFQVV7T2A5JSTRRXO7I6JMV5P

not attested not anchored not stored refs pending

Satellite altimetry reveals spatial patterns of variations in the Baltic Sea wave climate

Nadia Kudryavtseva, Tarmo Soomere

arxiv:1705.01307 v1 · 2017-05-03 · physics.ao-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{NNFQVV7T2A5JSTRRXO7I6JMV5P}

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	2026-05-18T00:35:33.735374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b4b0ad7f3d03a994e31bbbe8f2595ebe916c0e6f9d8b9f6f30b2b0de15a6a24

Aliases

arxiv: 1705.01307 · arxiv_version: 1705.01307v1 · doi: 10.48550/arxiv.1705.01307 · pith_short_12: NNFQVV7T2A5J · pith_short_16: NNFQVV7T2A5JSTRR · pith_short_8: NNFQVV7T

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/NNFQVV7T2A5JSTRRXO7I6JMV5P \
  | 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: 6b4b0ad7f3d03a994e31bbbe8f2595ebe916c0e6f9d8b9f6f30b2b0de15a6a24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e8beeaa815e9c5ab946e86a5a4cc0e26a6ee47a8f576b898f021132eaae9cc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2017-05-03T08:50:57Z",
    "title_canon_sha256": "e7a312b137ac4c4729c93e56af7c950eb577de617fea2c855db57bea1294d513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01307",
    "kind": "arxiv",
    "version": 1
  }
}