Pith Number

pith:RFZDKB7Y

pith:2018:RFZDKB7YCRW6MS3A5MQN6S2T2V

not attested not anchored not stored refs pending

Aperiodic phase masks for inscribing complex multi-notch OH-emission filters for astronomy

Kalaga Madhav, Martin M Roth, Ziyang Zhang

arxiv:1812.08875 v1 · 2018-12-20 · 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{RFZDKB7YCRW6MS3A5MQN6S2T2V}

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	2026-05-17T23:57:46.059555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89723507f8146de64b60eb20df4b53d56171dacc000029b2b1c182917d994851

Aliases

arxiv: 1812.08875 · arxiv_version: 1812.08875v1 · doi: 10.48550/arxiv.1812.08875 · pith_short_12: RFZDKB7YCRW6 · pith_short_16: RFZDKB7YCRW6MS3A · pith_short_8: RFZDKB7Y

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/RFZDKB7YCRW6MS3A5MQN6S2T2V \
  | 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: 89723507f8146de64b60eb20df4b53d56171dacc000029b2b1c182917d994851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b519222c5c95bf266ea3b62b44dc291dbdc33b6f30bbf6c7e110ee4aff6b8da3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-12-20T22:40:17Z",
    "title_canon_sha256": "3dda23f41241e68870b4901abd19f29a207a750955a3ec1a86ef3fd769344a40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08875",
    "kind": "arxiv",
    "version": 1
  }
}