Pith Number

pith:OOMQCDI5

pith:2026:OOMQCDI5A4SJAAAFOBTEP2RPEW

not attested not anchored not stored refs pending

Scaling laws for multi-object spectrographs: empirical relationships and the photonic advantage of CAWSMOS

Kalaga V. Madhav, Martin M. Roth

arxiv:2607.12492 v1 · 2026-07-14 · 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{OOMQCDI5A4SJAAAFOBTEP2RPEW}

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	2026-07-15T01:21:37.855117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7399010d1d0724900005706647ea2f25920a9fcf0a3e74750735b2651e08b9dd

Aliases

arxiv: 2607.12492 · arxiv_version: 2607.12492v1 · doi: 10.48550/arxiv.2607.12492 · pith_short_12: OOMQCDI5A4SJ · pith_short_16: OOMQCDI5A4SJAAAF · pith_short_8: OOMQCDI5

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/OOMQCDI5A4SJAAAFOBTEP2RPEW \
  | 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: 7399010d1d0724900005706647ea2f25920a9fcf0a3e74750735b2651e08b9dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41161bf78ee949259ca96b312bc6564e493bdb10f4136d19526b3e0a5336a2ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-14T08:25:49Z",
    "title_canon_sha256": "11a633c748cd5316c48c2cdbe7b951588b938b8a8bba2a58e83fb6412963bb92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12492",
    "kind": "arxiv",
    "version": 1
  }
}