Pith Number

pith:MY5M7XH2

pith:2012:MY5M7XH2DB7O3GDS5HKE3OEIKT

not attested not anchored not stored refs pending

GREGOR Fabry-Perot Interferometer - status report and prospects

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

arxiv:1207.2084 v1 · 2012-07-09 · 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{MY5M7XH2DB7O3GDS5HKE3OEIKT}

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	2026-05-18T03:40:49.297485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

663acfdcfa187eed9872e9d44db88854c0d57077c4bdd9945e3f13f1ca39ebf2

Aliases

arxiv: 1207.2084 · arxiv_version: 1207.2084v1 · doi: 10.48550/arxiv.1207.2084 · pith_short_12: MY5M7XH2DB7O · pith_short_16: MY5M7XH2DB7O3GDS · pith_short_8: MY5M7XH2

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/MY5M7XH2DB7O3GDS5HKE3OEIKT \
  | 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: 663acfdcfa187eed9872e9d44db88854c0d57077c4bdd9945e3f13f1ca39ebf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab205796e41e2fb01554457cc1390f2ae0cd06fd8875bdd41a838f924792dadb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-09T15:49:47Z",
    "title_canon_sha256": "b7204cffff748c35ca66ba04e00cc13f3786d8bdae712a807c3a9ff48377cd54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2084",
    "kind": "arxiv",
    "version": 1
  }
}