Pith Number

pith:X3WMEFMJ

pith:2006:X3WMEFMJ2UHA33IFY2PVMKJ7XK

not attested not anchored not stored refs pending

Rare-earth elements in the atmosphere of the magnetic chemically peculiar star HD 144897. New classification of the Nd III spectrum

A. Ryabtsev, O. Kochukhov, S. Bagnulo, T. Ryabchikova

arxiv:astro-ph/0604546 v1 · 2006-04-26 · 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{X3WMEFMJ2UHA33IFY2PVMKJ7XK}

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	2026-07-04T16:58:38.535499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beecc21589d50e0ded05c69f56293fba8a2965093c9a2714a568b3796ea28bac

Aliases

arxiv: astro-ph/0604546 · arxiv_version: astro-ph/0604546v1 · doi: 10.48550/arxiv.astro-ph/0604546 · pith_short_12: X3WMEFMJ2UHA · pith_short_16: X3WMEFMJ2UHA33IF · pith_short_8: X3WMEFMJ

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/X3WMEFMJ2UHA33IFY2PVMKJ7XK \
  | 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: beecc21589d50e0ded05c69f56293fba8a2965093c9a2714a568b3796ea28bac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "412f209cd11df87c8359f446d76971d3e5315242164cb876e8b8af71a4cf8875",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-26T16:36:43Z",
    "title_canon_sha256": "269e11bea459e5e0aba35c177fada1deb18bf36f98c868a172031e2f6ace361b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604546",
    "kind": "arxiv",
    "version": 1
  }
}