Pith Number

pith:S3HY2FQC

pith:2018:S3HY2FQCFSQH7EYJTQU4NK27CW

not attested not anchored not stored refs pending

An overview of the NIRSPEC upgrade for the Keck II telescope

Chris Johnson, Emily C. Martin, Eric Wang, Evan Kress, Gregory Doppmann, Ian S. McLean, Jason Weiss, Ji Man Sohn, John Canfield, Kenneth Magnone, Kyle Lanclos, Marc Kassis, Michael P. Fitzgerald, Ted Aliado

arxiv:1808.06024 v1 · 2018-08-18 · 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{S3HY2FQCFSQH7EYJTQU4NK27CW}

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	2026-05-18T00:07:46.410920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96cf8d16022ca07f93099c29c6ab5f15a0a2504d9a66c9fac2fd6772e17064a3

Aliases

arxiv: 1808.06024 · arxiv_version: 1808.06024v1 · doi: 10.48550/arxiv.1808.06024 · pith_short_12: S3HY2FQCFSQH · pith_short_16: S3HY2FQCFSQH7EYJ · pith_short_8: S3HY2FQC

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/S3HY2FQCFSQH7EYJTQU4NK27CW \
  | 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: 96cf8d16022ca07f93099c29c6ab5f15a0a2504d9a66c9fac2fd6772e17064a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d9600b51237c4bfb26b592c8dcc6c8096a076a2919335310ff1fb5549f794e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-18T00:12:49Z",
    "title_canon_sha256": "9311e7abae36f0b75f83074fc4e014ee9c322e5ba5df60efdff87ffd865dc457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06024",
    "kind": "arxiv",
    "version": 1
  }
}