Pith Number

pith:QLMCT7RR

pith:2014:QLMCT7RRDEFQEREFIUDLTHWFGY

not attested not anchored not stored refs pending

NFIRAOS First Facility AO System for the Thirty Meter Telescope

Alexis Hill, Brent Ellerbroek, Corinne Boyer, David Andersen, Glen Herriot, Ivan Wevers, Jean-Pierre V\'eran, Jenny Atwood, John Pazder, Kei Szeto, Kris Caputa, Lianqi Wang, Luc Gilles, Malcolm Smith, Matthias Rosensteiner, Paolo Spano, Peter Byrnes, Robert Wooff, Zoran Ljusic

arxiv:1408.4406 v1 · 2014-08-19 · 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{QLMCT7RRDEFQEREFIUDLTHWFGY}

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	2026-05-18T01:42:17.246075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82d829fe31190b0244854506b99ec5363ef51b38d085f274bc70623a2f084886

Aliases

arxiv: 1408.4406 · arxiv_version: 1408.4406v1 · doi: 10.48550/arxiv.1408.4406 · pith_short_12: QLMCT7RRDEFQ · pith_short_16: QLMCT7RRDEFQEREF · pith_short_8: QLMCT7RR

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/QLMCT7RRDEFQEREFIUDLTHWFGY \
  | 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: 82d829fe31190b0244854506b99ec5363ef51b38d085f274bc70623a2f084886

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd95124b2955ae73ab7058685bb6071c308a28fa2a1f7d0e7888d30db11a684",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-08-19T17:33:23Z",
    "title_canon_sha256": "60f73d661744e5e4e7279e22337074ffff048a10c3600cdb1571634393efbdc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4406",
    "kind": "arxiv",
    "version": 1
  }
}