Pith Number

pith:Z2HIA77G

pith:2018:Z2HIA77GAEV6JIYK7BFRLK2LRD

not attested not anchored not stored refs pending

Convective blueshifts in the solar atmosphere II. High-accuracy observations of the Fe i 6173.3{\AA} line and deviations of full-disk Dopplergrams

Franziska Stief, Johannes L\"ohner-B\"ottcher, Ronald Holzwarth, Tilo Steinmetz, Wolfgang Schmidt

arxiv:1811.08685 v1 · 2018-11-21 · 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{Z2HIA77GAEV6JIYK7BFRLK2LRD}

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	2026-05-17T23:55:10.972235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce8e807fe6012be4a30af84b15ab4b88e2e352cecc2e231c2da57ad38e7322ad

Aliases

arxiv: 1811.08685 · arxiv_version: 1811.08685v1 · doi: 10.48550/arxiv.1811.08685 · pith_short_12: Z2HIA77GAEV6 · pith_short_16: Z2HIA77GAEV6JIYK · pith_short_8: Z2HIA77G

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/Z2HIA77GAEV6JIYK7BFRLK2LRD \
  | 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: ce8e807fe6012be4a30af84b15ab4b88e2e352cecc2e231c2da57ad38e7322ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdaf0758338935c9a44699ab6e502ca871e3a46c1da470b666e61f70380a436b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-11-21T11:09:28Z",
    "title_canon_sha256": "7f5caaa2c1eaa401318c4994d9243755ee2a657bfefb960fff7f9de40cac903e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08685",
    "kind": "arxiv",
    "version": 1
  }
}