Pith Number

pith:ST4FGAO2

pith:2020:ST4FGAO2XITPGGEDBJCXOK5L56

not attested not anchored not stored refs pending

Spectropolarimetric Fluctuations in a Sunspot Chromosphere

A.S.H. To, C.D. MacBride, D. Baker, D.B. Jess, D.H. Brooks, F. Giorgi, G. Valori, I. Ermolli, M. Murabito, M. Stangalini, S. Jafarzadeh

arxiv:2009.05302 v1 · 2020-09-11 · 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{ST4FGAO2XITPGGEDBJCXOK5L56}

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	2026-07-05T02:07:49.610302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94f85301daba26f318830a45772babef9615931b4468af168ae2377ca6f28922

Aliases

arxiv: 2009.05302 · arxiv_version: 2009.05302v1 · doi: 10.48550/arxiv.2009.05302 · pith_short_12: ST4FGAO2XITP · pith_short_16: ST4FGAO2XITPGGED · pith_short_8: ST4FGAO2

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/ST4FGAO2XITPGGEDBJCXOK5L56 \
  | 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: 94f85301daba26f318830a45772babef9615931b4468af168ae2377ca6f28922

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6caac4e165c65bf8100e2372081716c28c7aa5a2204be89cb7082ed4459c2c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-09-11T09:24:18Z",
    "title_canon_sha256": "70f50ef8b824cdda1b7c88c7e9b30515e25b1638161d4a8df2cda5e4599cf073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05302",
    "kind": "arxiv",
    "version": 1
  }
}