Pith Number

pith:U2LSHZTY

pith:2021:U2LSHZTY42TCVOQJ6I4QIFXDEF

not attested not anchored not stored refs pending

The Infrared Imaging Spectrograph (IRIS) for TMT: final software design update

Andrea Zonca, Arun Surya, Chris Johnson, Dan Kerley, David Andersen, Edward L. Chapin, Eric Chisholm, Glen Herriot, James Larkin, Jennifer Dunn, Jiman Simon Sohn, Kim Gillies, Ryuji Suzuki, Shelley Wright, Takashi Nakamoto, Yutaka Hayano

arxiv:2108.06427 v1 · 2021-08-13 · 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{U2LSHZTY42TCVOQJ6I4QIFXDEF}

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	2026-07-05T03:05:54.423164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69723e678e6a62aba09f2390416e3214abf48f39b5cef3671adb3eceb7fd342

Aliases

arxiv: 2108.06427 · arxiv_version: 2108.06427v1 · doi: 10.48550/arxiv.2108.06427 · pith_short_12: U2LSHZTY42TC · pith_short_16: U2LSHZTY42TCVOQJ · pith_short_8: U2LSHZTY

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/U2LSHZTY42TCVOQJ6I4QIFXDEF \
  | 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: a69723e678e6a62aba09f2390416e3214abf48f39b5cef3671adb3eceb7fd342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c5b95af26a43fac7fe129b0a3affa3f48c6423f5d37f515b39be0ed96fd2d9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-08-13T23:49:31Z",
    "title_canon_sha256": "edadabed51835d50b1b8d6123d47bc244310ffcf801bb56bf828460e615a684d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06427",
    "kind": "arxiv",
    "version": 1
  }
}