Pith Number

pith:ZRLSJZJN

pith:2014:ZRLSJZJNUZCDL3E7NTWF3T4CBG

not attested not anchored not stored refs pending

Efficient and affordable catadioptric spectrograph designs for 4MOST and Hector

Will Saunders

arxiv:1407.0052 v1 · 2014-06-30 · 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{ZRLSJZJNUZCDL3E7NTWF3T4CBG}

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	2026-05-18T01:42:43.319290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc5724e52da64435ec9f6cec5dcf8209a50a56cf13bd0bb6a46bb73fcc2bc6ac

Aliases

arxiv: 1407.0052 · arxiv_version: 1407.0052v1 · doi: 10.48550/arxiv.1407.0052 · pith_short_12: ZRLSJZJNUZCD · pith_short_16: ZRLSJZJNUZCDL3E7 · pith_short_8: ZRLSJZJN

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/ZRLSJZJNUZCDL3E7NTWF3T4CBG \
  | 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: cc5724e52da64435ec9f6cec5dcf8209a50a56cf13bd0bb6a46bb73fcc2bc6ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60406223a4611762fd46e17dfb14dcc3b786553969ed960f2bf3e60e530ad5a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-06-30T20:48:25Z",
    "title_canon_sha256": "f5c50ee065f55168ddf4da49406be5d6bec67611b637f0ef53ce079a2056506f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0052",
    "kind": "arxiv",
    "version": 1
  }
}