Pith Number

pith:XFQL7BTT

pith:2012:XFQL7BTT7QZ7N2N5DC6AXPWB5U

not attested not anchored not stored refs pending

A retrospective of the GREGOR solar telescope in scientific literature

A.D. Wittmann, A. Feller, A. Fischer, A. Hofmann, A. Lagg, C. Denker, C. Halbgewachs, D. Schmidt, D. Soltau, E. Popow, E. Wiehr, F. Heidecke, F. Kneer, H. Balthasar, H. Nicklas, J. Rendtel, J. Staude, K. Arlt, K.G. Puschmann, K.G. Strassmeier, M. Collados, M. Klva\v{n}a, M. Sobotka, M. Woche, N. Bello Gonz\'alez, O. von der L\"uhe, P. Caligari, R. Volkmer, S.K. Solanki, S.-M. Bauer, T. Berkefeld, T. Granzer, T. Hahn, T. Kentischer, T. Waldmann, W. Schmidt

arxiv:1210.3167 v1 · 2012-10-11 · 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{XFQL7BTT7QZ7N2N5DC6AXPWB5U}

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	2026-05-18T03:43:28.209433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b960bf8673fc33f6e9bd18bc0bbec1ed38fa5040c2e81559068774ca44650477

Aliases

arxiv: 1210.3167 · arxiv_version: 1210.3167v1 · doi: 10.48550/arxiv.1210.3167 · pith_short_12: XFQL7BTT7QZ7 · pith_short_16: XFQL7BTT7QZ7N2N5 · pith_short_8: XFQL7BTT

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/XFQL7BTT7QZ7N2N5DC6AXPWB5U \
  | 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: b960bf8673fc33f6e9bd18bc0bbec1ed38fa5040c2e81559068774ca44650477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2de506ea6911541d6ac53571d3acc7254c8ae452367925a96cc9546c0256a0f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-11T10:16:18Z",
    "title_canon_sha256": "dfd40ab42dab9176254bf14bd0c21510e247cc4496483170c2ae055ef72807dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.3167",
    "kind": "arxiv",
    "version": 1
  }
}