Pith Number

pith:CQBIHH7G

pith:1999:CQBIHH7GETL6C2NWGULXX4UJPD

not attested not anchored not stored refs pending

Multiple object and integral field near-infrared spectroscopy using fibers

Christine Done, David Lee, George Dodsworth, Ian Lewis, Ian Parry, James Turner, Jeremy Allington-Smith, John Webster, Ray Sharples, Reynier Peletier, Robert Content, Roger Haynes, Scott Chapman

arxiv:astro-ph/9909017 v1 · 1999-09-01 · 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{CQBIHH7GETL6C2NWGULXX4UJPD}

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	2026-05-18T01:07:36.104240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1402839fe624d7e169b635177bf28978e28adf521538186a6a2937d56bd4dd7b

Aliases

arxiv: astro-ph/9909017 · arxiv_version: astro-ph/9909017v1 · doi: 10.48550/arxiv.astro-ph/9909017 · pith_short_12: CQBIHH7GETL6 · pith_short_16: CQBIHH7GETL6C2NW · pith_short_8: CQBIHH7G

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/CQBIHH7GETL6C2NWGULXX4UJPD \
  | 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: 1402839fe624d7e169b635177bf28978e28adf521538186a6a2937d56bd4dd7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b57331ca2960ec632cf4028d6cf2c4d499c2768931286d37d8aebbd321eacfe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-01T17:38:46Z",
    "title_canon_sha256": "e7db4f4d56bb5a1a2a93bef8fb828175c7634b517c4a7f3322c7b5d543e55073"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909017",
    "kind": "arxiv",
    "version": 1
  }
}