Pith Number

pith:YOV3UQG3

pith:2019:YOV3UQG3XGDNKX6OIT2MWK5OKL

not attested not anchored not stored refs pending

Comparison of time-distance inversion methods applied to SDO/HMI Dopplergrams

David Korda, Junwei Zhao, Michal \v{S}vanda

arxiv:1908.03950 v1 · 2019-08-11 · 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{YOV3UQG3XGDNKX6OIT2MWK5OKL}

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	2026-07-05T00:02:10.043150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3abba40dbb986d55fce44f4cb2bae52d325a9b0144246f84dfac35ee498c000

Aliases

arxiv: 1908.03950 · arxiv_version: 1908.03950v1 · doi: 10.48550/arxiv.1908.03950 · pith_short_12: YOV3UQG3XGDN · pith_short_16: YOV3UQG3XGDNKX6O · pith_short_8: YOV3UQG3

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/YOV3UQG3XGDNKX6OIT2MWK5OKL \
  | 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: c3abba40dbb986d55fce44f4cb2bae52d325a9b0144246f84dfac35ee498c000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ed4f339f35f042deede3b2251c9ba6e9f6eb903a2f3f244c5e94b801c8c3e27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-08-11T18:54:59Z",
    "title_canon_sha256": "0a58b50cec22ccc058af827be3c2b0b0e7c9f01ddf9a9fb72568fb280515661b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03950",
    "kind": "arxiv",
    "version": 1
  }
}