Pith Number

pith:UFSQCCKV

pith:2007:UFSQCCKVI2COBSBDQIQKHWGNGC

not attested not anchored not stored refs pending

Analysis of stellar populations with large empirical libraries at high spectral resolution

Caroline Soubiran, Damien Le Borgne, Mina Koleva, Philippe Prugniel, Pierre Ocvirk

arxiv:astro-ph/0703130 v1 · 2007-03-06 · 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{UFSQCCKVI2COBSBDQIQKHWGNGC}

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	2026-07-04T17:07:45.128608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1650109554684e0c8238220a3d8cd30a1c91cd6e9ffef28697048906eed07e9

Aliases

arxiv: astro-ph/0703130 · arxiv_version: astro-ph/0703130v1 · doi: 10.48550/arxiv.astro-ph/0703130 · pith_short_12: UFSQCCKVI2CO · pith_short_16: UFSQCCKVI2COBSBD · pith_short_8: UFSQCCKV

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/UFSQCCKVI2COBSBDQIQKHWGNGC \
  | 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: a1650109554684e0c8238220a3d8cd30a1c91cd6e9ffef28697048906eed07e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60665a7bc3dfc7362fcb57533a1601007f1af80f3abdc0c1e129a7117c2024c4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-06T21:16:32Z",
    "title_canon_sha256": "27458a39652e291c47ae8cc3432957762511fda2431356b78eb4d051b695e9e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703130",
    "kind": "arxiv",
    "version": 1
  }
}