Pith Number

pith:T3M7XPK5

pith:2026:T3M7XPK54OZAMFD6ZKLXWVESDF

not attested not anchored not stored refs pending

proto-Lightspeed: a high-speed, ultra-low read noise imager on the Magellan Clay Telescope

August Berne, Christopher Layden, David Osip, Deepto Chakrabarty, Emma Chickles, Gabor Furesz, Geoffrey Mo, Jack Dinsmore, John J. Piotrowski, Juliana Garcia-Mejia, Kevin Burdge, Roger W. Romani

arxiv:2601.16268 v3 · 2026-01-22 · astro-ph.IM · astro-ph.EP · astro-ph.HE · 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{T3M7XPK54OZAMFD6ZKLXWVESDF}

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	2026-05-20T00:05:40.902120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ed9fbbd5de3b206147eca977b549219529d9d335da7c90a7563c1ee98aa22f7

Aliases

arxiv: 2601.16268 · arxiv_version: 2601.16268v3 · doi: 10.48550/arxiv.2601.16268 · pith_short_12: T3M7XPK54OZA · pith_short_16: T3M7XPK54OZAMFD6 · pith_short_8: T3M7XPK5

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/T3M7XPK54OZAMFD6ZKLXWVESDF \
  | 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: 9ed9fbbd5de3b206147eca977b549219529d9d335da7c90a7563c1ee98aa22f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3f9c6565c5ea9b7df96ffaccf8f4838923a3586b0c17d7a7fa3c9f7aa658471",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.HE",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-01-22T19:03:47Z",
    "title_canon_sha256": "d48a1df197f351c30636d6576d96903cbc4357b7073e61a60eb689d28d734fa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.16268",
    "kind": "arxiv",
    "version": 3
  }
}