Pith Number

pith:JANI4IJF

pith:1997:JANI4IJFHQZCPOZX7ZLWTEU3VS

not attested not anchored not stored refs pending

Library of high-resolution UES echelle spectra of F, G, K and M field dwarf stars

2), (2) Pennsylvania State University, (3) Instituto de Astrof\'isica de Canarias, 4) ((1) Dept. Astrofisica UCM, (4) University of California at Berkeley), D. Montes (1, E.L. Martin (3

arxiv:astro-ph/9709004 v1 · 1997-08-31 · 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{JANI4IJFHQZCPOZX7ZLWTEU3VS}

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	2026-05-18T01:09:21.483183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

481a8e21253c3227bb37fe5769929bacb2ffa066a7f31c8497370e96626c0fb9

Aliases

arxiv: astro-ph/9709004 · arxiv_version: astro-ph/9709004v1 · doi: 10.48550/arxiv.astro-ph/9709004 · pith_short_12: JANI4IJFHQZC · pith_short_16: JANI4IJFHQZCPOZX · pith_short_8: JANI4IJF

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/JANI4IJFHQZCPOZX7ZLWTEU3VS \
  | 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: 481a8e21253c3227bb37fe5769929bacb2ffa066a7f31c8497370e96626c0fb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13855d8087a2040b579abab934f1063ddedb41cad2b7bd7ceb333a48a74d2477",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-31T17:15:23Z",
    "title_canon_sha256": "d4359f317ea5e4e6cbc500dbd8c158d15f3893c245050b782bc02c779000474c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709004",
    "kind": "arxiv",
    "version": 1
  }
}