Pith Number

pith:P57JYLTP

pith:2018:P57JYLTP6UFEPMLUCOTS73RWTR

not attested not anchored not stored refs pending

The Infrared Imaging Spectrograph (IRIS) for TMT: advancing the data reduction system

2), (2) Department of Physics, (3) National Research Council of Canada - Herzberg, (4) Thirty Meter Telescope Observatory Corporation, (5) Physics & Astronomy Department, (6) National Astronomical Observatory of Japan, (7) Caltech Optical Observatories, (8) National Astronomical Observatories / Nanjing Institute of Astronomical Optics & Technology, BC, Brent Ellerbroek (4), CA, Canada, China), Chinese Academy of Sciences, Chris Johnson (5), David Andersen (3), Edward Chapin (3), Eric Chisholm (4), Gregory L. Walth (1), James Larkin (5), Japan, Jason Weissd, Jennifer Dunn (3), Ji Man Sohn (5), Kai Zhang (8) ((1) Center for Astrophysics & Space Sciences, Kim Gillies (4), Luc Simard (3), Mitaka, Nanjing, Nils-Erik Rundquist (1, Osawa, Pasadena, Reed Riddle (7), Robert Weber (7), Roger Smith (7), Ryuji Suzuki (6), Shelley A. Wright (1, Takashi Nakamoto (6), Tokyo, Tuan Do (5), University of California Los Angeles, University of California San Diego, USA, Victoria, Yutaka Hayano (6)

arxiv:1808.07495 v1 · 2018-08-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P57JYLTP6UFEPMLUCOTS73RWTR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:07:27.157191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f7e9c2e6ff50a47b17413a72fee369c57ae9b4789459f553c57b7ec3b92569a

Aliases

arxiv: 1808.07495 · arxiv_version: 1808.07495v1 · doi: 10.48550/arxiv.1808.07495 · pith_short_12: P57JYLTP6UFE · pith_short_16: P57JYLTP6UFEPMLU · pith_short_8: P57JYLTP

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/P57JYLTP6UFEPMLUCOTS73RWTR \
  | 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: 7f7e9c2e6ff50a47b17413a72fee369c57ae9b4789459f553c57b7ec3b92569a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ae38ecba65fbe5ba18636d2fbef23aeb73d197cba7fb2b8bca84cf7f89f45e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-22T18:01:03Z",
    "title_canon_sha256": "c1523585dd361f64ae15f7a2e3e45fa3ca9f902ab050ef17dce14f214fa67114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07495",
    "kind": "arxiv",
    "version": 1
  }
}