Pith Number

pith:LXL3XA7Z

pith:2013:LXL3XA7ZWHNRYW4PCYSRS2DUCD

not attested not anchored not stored refs pending

The case for high precision in elemental abundances of stars in the era of large spectroscopic surveys

Lennart Lindegren, Sofia Feltzing

arxiv:1304.3409 v2 · 2013-04-11 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LXL3XA7ZWHNRYW4PCYSRS2DUCD}

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	2026-05-18T01:50:33.726627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dd7bb83f9b1db1c5b8f162519687410e508018e32389dee643aff172b429a60

Aliases

arxiv: 1304.3409 · arxiv_version: 1304.3409v2 · doi: 10.48550/arxiv.1304.3409 · pith_short_12: LXL3XA7ZWHNR · pith_short_16: LXL3XA7ZWHNRYW4P · pith_short_8: LXL3XA7Z

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/LXL3XA7ZWHNRYW4PCYSRS2DUCD \
  | 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: 5dd7bb83f9b1db1c5b8f162519687410e508018e32389dee643aff172b429a60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c91d3e223e8c8c5fa8f1b70fea89978fa20978c7b7a7f3d53ab346fcef290c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-11T19:34:50Z",
    "title_canon_sha256": "9b9dad7d2e6d39815fe8de762d4e3b72193f3d62bb9a79312ba2a01fea75abf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3409",
    "kind": "arxiv",
    "version": 2
  }
}