Pith Number

pith:XOBGSYKG

pith:2013:XOBGSYKGPWHR6IKIR6M6H53EYF

not attested not anchored not stored refs pending

The GREGOR Fabry-P\'erot Interferometer and its companion the Blue Imaging Solar Spectrometer

Carsten Denker, Christian Beck, Emil Popow, Horst Balthasar, Klaus G. Puschmann, Manfred Woche, Reiner Volkmer, Rohan E. Louis, Thomas Seelemann

arxiv:1302.7157 v1 · 2013-02-28 · astro-ph.IM · 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{XOBGSYKGPWHR6IKIR6M6H53EYF}

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	2026-05-18T03:28:04.885677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb826961467d8f1f21488f99e3f764c1439e42d415391665a9e3154ef1df2913

Aliases

arxiv: 1302.7157 · arxiv_version: 1302.7157v1 · doi: 10.48550/arxiv.1302.7157 · pith_short_12: XOBGSYKGPWHR · pith_short_16: XOBGSYKGPWHR6IKI · pith_short_8: XOBGSYKG

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/XOBGSYKGPWHR6IKIR6M6H53EYF \
  | 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: bb826961467d8f1f21488f99e3f764c1439e42d415391665a9e3154ef1df2913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01c8664002bd86f821434b7ae270c976f3d2f645822633ca45d020f826896f32",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-02-28T11:29:42Z",
    "title_canon_sha256": "9fd447f0ce43374c4a2c4c1667dc1ea9187a2b7d7c0250385ac0470c97c32775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.7157",
    "kind": "arxiv",
    "version": 1
  }
}