Pith Number

pith:MZKBORTO

pith:2026:MZKBORTO7FDJC67DFDQLATS7A5

not attested not anchored not stored refs pending

Spectro Capture: A Software System for Automated Small-Observatory Spectroscopy

Paul Luckas

arxiv:2605.19459 v1 · 2026-05-19 · astro-ph.IM · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZKBORTO7FDJC67DFDQLATS7A5}

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	2026-05-20T01:05:46.883080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665417466ef946917be328e0b04e5f0756d6813cd89529a6dee67db27c16512c

Aliases

arxiv: 2605.19459 · arxiv_version: 2605.19459v1 · doi: 10.48550/arxiv.2605.19459 · pith_short_12: MZKBORTO7FDJ · pith_short_16: MZKBORTO7FDJC67D · pith_short_8: MZKBORTO

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/MZKBORTO7FDJC67DFDQLATS7A5 \
  | 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: 665417466ef946917be328e0b04e5f0756d6813cd89529a6dee67db27c16512c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65720e78e00f0f6136a7508f55a5c789a27d229ea80d81096ec9c8ec1d7641d8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-05-19T07:11:10Z",
    "title_canon_sha256": "c2624cc0b48a816d39df9f9f1eca706f310e1766f7a2965a612805171b021d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19459",
    "kind": "arxiv",
    "version": 1
  }
}