Pith Number

pith:OYIWQNYI

pith:2000:OYIWQNYIFVL2MQGTCDX2WYMZ2E

not attested not anchored not stored refs pending

Stellar spectroscopy far beyond the Local Group

(2) IfA, Fabio Bresolin (1), Hawaii), Norbert Przybilla (1) ((1) University of Munich, Roberto H. Mendez (1), Rolf-Peter Kudritzki (2)

arxiv:astro-ph/0012372 v1 · 2000-12-17 · 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{OYIWQNYIFVL2MQGTCDX2WYMZ2E}

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	2026-05-18T02:40:36.555872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76116837082d57a640d310efab6199d1340cb37261bb50c9a198855eb84254fd

Aliases

arxiv: astro-ph/0012372 · arxiv_version: astro-ph/0012372v1 · doi: 10.48550/arxiv.astro-ph/0012372 · pith_short_12: OYIWQNYIFVL2 · pith_short_16: OYIWQNYIFVL2MQGT · pith_short_8: OYIWQNYI

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/OYIWQNYIFVL2MQGTCDX2WYMZ2E \
  | 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: 76116837082d57a640d310efab6199d1340cb37261bb50c9a198855eb84254fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4cb8809a255cf8153f5d7db5955453eaf8e1d1db319dddb4bce6d1d5e9a8139",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-12-17T11:06:33Z",
    "title_canon_sha256": "ed5581d36343d5fc54392c73f2bff83fed3018acf09b908ae9fc8d2241c741b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0012372",
    "kind": "arxiv",
    "version": 1
  }
}