Pith Number

pith:JDELRZDF

pith:2018:JDELRZDFINQ6YAQGTEXIZPXHS6

not attested not anchored not stored refs pending

Instrument Simulator and Data Reduction Pipeline for the iLocater Spectrograph

Andrew J. Bechter, David King, Eric B. Bechter, Jonathan Crass, Justin R. Crepp

arxiv:1812.01649 v1 · 2018-12-04 · 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{JDELRZDFINQ6YAQGTEXIZPXHS6}

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	2026-05-17T23:55:53.601641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48c8b8e4654361ec0206992e8cbee797adbc297c7f7cc1f6a7a3e0159397bb04

Aliases

arxiv: 1812.01649 · arxiv_version: 1812.01649v1 · doi: 10.48550/arxiv.1812.01649 · pith_short_12: JDELRZDFINQ6 · pith_short_16: JDELRZDFINQ6YAQG · pith_short_8: JDELRZDF

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/JDELRZDFINQ6YAQGTEXIZPXHS6 \
  | 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: 48c8b8e4654361ec0206992e8cbee797adbc297c7f7cc1f6a7a3e0159397bb04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "586f50eb9523a2668bbef8bd115ed79f259f8f15ebce536df51effe447471a53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-12-04T19:41:01Z",
    "title_canon_sha256": "e22272613925674e60f65effc3d26b057015e2194e94e048f7c906c15dc4fa68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01649",
    "kind": "arxiv",
    "version": 1
  }
}