Pith Number

pith:GRGP32CB

pith:2016:GRGP32CBONFC7U24ZC5KWWBSJH

not attested not anchored not stored refs pending

Optimal non-circular fiber geometries for image scrambling in high-resolution spectrographs

Adam P. Sutherland, Andreas Quirrenbach, Andreas Seifahrt, Andre Kalide, Christian Schwab, Jacob L. Bean, Julian St\"urmer, Kay Schuster, Stephan Grimm

arxiv:1607.02494 v1 · 2016-07-08 · astro-ph.IM · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRGP32CBONFC7U24ZC5KWWBSJH}

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	2026-05-18T00:55:46.030739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

344cfde841734a2fd35cc8baab583249cf8315927d0fbad1732a3257e7404b9b

Aliases

arxiv: 1607.02494 · arxiv_version: 1607.02494v1 · doi: 10.48550/arxiv.1607.02494 · pith_short_12: GRGP32CBONFC · pith_short_16: GRGP32CBONFC7U24 · pith_short_8: GRGP32CB

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/GRGP32CBONFC7U24ZC5KWWBSJH \
  | 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: 344cfde841734a2fd35cc8baab583249cf8315927d0fbad1732a3257e7404b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a13d5ffb307c9400307df2561090cceeac4374317ee73777ee42f456189e7d9",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-08T19:19:51Z",
    "title_canon_sha256": "35fd3bdde971c21afdd8cdf22144697035ee9a7178ae5b949ab2390d8eb328c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02494",
    "kind": "arxiv",
    "version": 1
  }
}