Pith Number

pith:PI4STFQV

pith:2017:PI4STFQVGPTLTGREARIP7BDAVB

not attested not anchored not stored refs pending

Atmospheric turbulence profiling with unknown power spectral density

Jonatan Lehtonen, Ronny Ramlau, Stefan Kindermann, Tapio Helin

arxiv:1707.02157 v3 · 2017-07-07 · astro-ph.IM · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PI4STFQVGPTLTGREARIP7BDAVB}

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	2026-05-18T00:19:29.838234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a3929961533e6b99a240450ff8460a8617cc68e197f62f295eaa288574c0c81

Aliases

arxiv: 1707.02157 · arxiv_version: 1707.02157v3 · doi: 10.48550/arxiv.1707.02157 · pith_short_12: PI4STFQVGPTL · pith_short_16: PI4STFQVGPTLTGRE · pith_short_8: PI4STFQV

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/PI4STFQVGPTLTGREARIP7BDAVB \
  | 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: 7a3929961533e6b99a240450ff8460a8617cc68e197f62f295eaa288574c0c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "391ec190dac1c46e005220bd4baec2c6ccf1ca83c16b346fd422f731d66b9749",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-07-07T13:15:24Z",
    "title_canon_sha256": "45cb7e8a46578abfc2baa2422d5abdc862e1004de963102e82d8f14926c1937d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02157",
    "kind": "arxiv",
    "version": 3
  }
}