Pith Number

pith:ZPFALP2Q

pith:2000:ZPFALP2QPOPOANSEPVX7NZS6RW

not attested not anchored not stored refs pending

Microslit Nod-shuffle Spectroscopy - a technique for achieving very high densities of spectra

Joss Bland-Hawthorn, Karl Glazebrook

arxiv:astro-ph/0011104 v1 · 2000-11-04 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPFALP2QPOPOANSEPVX7NZS6RW}

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	2026-05-18T04:27:05.546758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbca05bf507b9ee036447d6ff6e65e8da500f0db0c5787327acb310068734064

Aliases

arxiv: astro-ph/0011104 · arxiv_version: astro-ph/0011104v1 · doi: 10.48550/arxiv.astro-ph/0011104 · pith_short_12: ZPFALP2QPOPO · pith_short_16: ZPFALP2QPOPOANSE · pith_short_8: ZPFALP2Q

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/ZPFALP2QPOPOANSEPVX7NZS6RW \
  | 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: cbca05bf507b9ee036447d6ff6e65e8da500f0db0c5787327acb310068734064

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0589b2b2057d0471fc11319407297d13c4d991004d27c1cc0abbd4b2000106ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-04T18:05:24Z",
    "title_canon_sha256": "1531bd195569a761c99c31d8c3fc616d199e9de5de4ba78e59dd01d6842f0498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011104",
    "kind": "arxiv",
    "version": 1
  }
}