Pith Number

pith:SIQMJXZE

pith:2011:SIQMJXZEX5PXWNHCX2WZAEXPBM

not attested not anchored not stored refs pending

The GREGOR Fabry-Perot Interferometer - A New Instrument for High-Resolution Spectropolarimetric Solar Observations

Carsten Denker, Emil Popow, Horst Balthasar, Klaus G. Puschmann, Manfred Woche, Reiner Volkmer, Svend-Marian Bauer, Thomas Hahn, Thomas Seelemann

arxiv:1111.5509 v2 · 2011-11-23 · 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{SIQMJXZEX5PXWNHCX2WZAEXPBM}

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	2026-05-18T03:31:06.992806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9220c4df24bf5f7b34e2bead9012ef0b11567953e58dcde17865438fb22584d7

Aliases

arxiv: 1111.5509 · arxiv_version: 1111.5509v2 · doi: 10.48550/arxiv.1111.5509 · pith_short_12: SIQMJXZEX5PX · pith_short_16: SIQMJXZEX5PXWNHC · pith_short_8: SIQMJXZE

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/SIQMJXZEX5PXWNHCX2WZAEXPBM \
  | 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: 9220c4df24bf5f7b34e2bead9012ef0b11567953e58dcde17865438fb22584d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa1e9e5cff48d808545f7b3c86e538d98235b1d28240f56860f89aec60217019",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-11-23T14:45:52Z",
    "title_canon_sha256": "3cfe45a2ba1f8493fdd42b7951ec8ee7c4d754d968b3e07b4ef95c595685d6c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5509",
    "kind": "arxiv",
    "version": 2
  }
}