Pith Number

pith:ESQ2VDNN

pith:2018:ESQ2VDNNAK4VDAJ7EVJFGTDCOC

not attested not anchored not stored refs pending

High-resolution imaging and near-infrared spectroscopy of penumbral decay

A. Diercke, A. Tritschler, C. Denker, C. Kuckein, H. Balthasar, H. Wang, M. Collados, M. Sobotka, M. Verma, N. Deng, R. Rezaei, S.J. Gonz\'alez Manrique

arxiv:1801.03686 v1 · 2018-01-11 · 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{ESQ2VDNNAK4VDAJ7EVJFGTDCOC}

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	2026-05-18T00:14:08.953177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24a1aa8dad02b951813f2552534c6270ba1798fcf8fc2c1f17ee9937a36d84fc

Aliases

arxiv: 1801.03686 · arxiv_version: 1801.03686v1 · doi: 10.48550/arxiv.1801.03686 · pith_short_12: ESQ2VDNNAK4V · pith_short_16: ESQ2VDNNAK4VDAJ7 · pith_short_8: ESQ2VDNN

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/ESQ2VDNNAK4VDAJ7EVJFGTDCOC \
  | 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: 24a1aa8dad02b951813f2552534c6270ba1798fcf8fc2c1f17ee9937a36d84fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03c3260080f392ab1a69d4be5ee149ad5b6ad726a0aaec8a764eacafcd32f3c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-11T09:38:43Z",
    "title_canon_sha256": "13bd373839752a43c7580efed71819548d877ece474ce3eaca977793d3450970"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03686",
    "kind": "arxiv",
    "version": 1
  }
}