Pith Number

pith:VWEZTWLE

pith:2001:VWEZTWLEMUP4SCBI5Z4KKQTDOY

not attested not anchored not stored refs pending

Europium abundances in F and G disk dwarfs

A. Koch, B. Edvardsson (Uppsala Astronomical Observatory, Sweden)

arxiv:astro-ph/0111119 v1 · 2001-11-06 · 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{VWEZTWLEMUP4SCBI5Z4KKQTDOY}

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	2026-07-04T16:24:25.014936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad8999d964651fc90828ee78a5426376328985105da2b583db029e102e52e204

Aliases

arxiv: astro-ph/0111119 · arxiv_version: astro-ph/0111119v1 · doi: 10.48550/arxiv.astro-ph/0111119 · pith_short_12: VWEZTWLEMUP4 · pith_short_16: VWEZTWLEMUP4SCBI · pith_short_8: VWEZTWLE

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/VWEZTWLEMUP4SCBI5Z4KKQTDOY \
  | 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: ad8999d964651fc90828ee78a5426376328985105da2b583db029e102e52e204

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5790ff57f5b2f88b25f3720004705da16579f939e49b55d639aa93b6ccda742d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-06T16:41:26Z",
    "title_canon_sha256": "f902ab1fdf925ae2fc26fe07a33ab88c1bfe63c0240424bc1dd9e3981cb79989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111119",
    "kind": "arxiv",
    "version": 1
  }
}