Pith Number

pith:KMLRDBBW

pith:2018:KMLRDBBWPXEK7LVHBJ52FLARAG

not attested not anchored not stored refs pending

High-frequency Oscillations in the Atmosphere above a Sunspot Umbra

Bo Li, Feng Wang, Hui Deng, Linhua Deng, Rui Wang, Song Feng, Xianyong Bai, Yunfei Yang, Zhike Xue

arxiv:1803.09046 v1 · 2018-03-24 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMLRDBBWPXEK7LVHBJ52FLARAG}

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	2026-05-18T00:20:12.780919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53171184367dc8afaea70a7ba2ac110184eec16457f728909672af97092f08d2

Aliases

arxiv: 1803.09046 · arxiv_version: 1803.09046v1 · doi: 10.48550/arxiv.1803.09046 · pith_short_12: KMLRDBBWPXEK · pith_short_16: KMLRDBBWPXEK7LVH · pith_short_8: KMLRDBBW

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/KMLRDBBWPXEK7LVHBJ52FLARAG \
  | 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: 53171184367dc8afaea70a7ba2ac110184eec16457f728909672af97092f08d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98afcae2d761f3b0ce2883d3ae797f4270d3886edb59f53df6d94a29111c8913",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-24T02:49:54Z",
    "title_canon_sha256": "6681218f31578a24d842455e5ecee2bc4cb3edb027e31d023a0340c59a1459aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09046",
    "kind": "arxiv",
    "version": 1
  }
}