Pith Number

pith:QW2WUATI

pith:2014:QW2WUATILFMIRE2V6YW2MJPX7E

not attested not anchored not stored refs pending

Replicated Spectrographs in Astronomy

Gary J. Hill

arxiv:1408.4625 v1 · 2014-08-20 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QW2WUATILFMIRE2V6YW2MJPX7E}

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.

Cited by

2 papers in Pith

Guiding Design Choices for Wide-Field IFS: Trade-Offs Between Replication and Complexity for WST

From Large Telescopes to the MUltiplexed Survey Telescope (MUST)

Receipt and verification

First computed	2026-05-18T02:44:48.524931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b56a02685958889355f62da625f7f92f7b799bf37521b09838e7e8f1dcdcac

Aliases

arxiv: 1408.4625 · arxiv_version: 1408.4625v1 · doi: 10.48550/arxiv.1408.4625 · pith_short_12: QW2WUATILFMI · pith_short_16: QW2WUATILFMIRE2V · pith_short_8: QW2WUATI

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/QW2WUATILFMIRE2V6YW2MJPX7E \
  | 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: 85b56a02685958889355f62da625f7f92f7b799bf37521b09838e7e8f1dcdcac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1ef4fde92d758375483cd698d880e58df88418b299fd3a37f8fbac47879b0f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-08-20T12:24:57Z",
    "title_canon_sha256": "8ec306be686084d26f7681b67eb9dce8517f01302bc139731912b3f887c3cf36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4625",
    "kind": "arxiv",
    "version": 1
  }
}