Pith Number

pith:67HI4UEY

pith:2011:67HI4UEYZHRWKCKJUIF66HE4TR

not attested not anchored not stored refs pending

Non-LTE calculations for neutral Na in late-type stars using improved atomic data

A.K. Belyaev, K. Lind, M. Asplund, P.S. Barklem

arxiv:1102.2160 v1 · 2011-02-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67HI4UEYZHRWKCKJUIF66HE4TR}

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	2026-05-18T02:03:12.593516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ce8e5098c9e3650949a20bef1c9c9c7de9e027ad5541f369bb694dd3c6f63b

Aliases

arxiv: 1102.2160 · arxiv_version: 1102.2160v1 · doi: 10.48550/arxiv.1102.2160 · pith_short_12: 67HI4UEYZHRW · pith_short_16: 67HI4UEYZHRWKCKJ · pith_short_8: 67HI4UEY

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/67HI4UEYZHRWKCKJUIF66HE4TR \
  | 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: f7ce8e5098c9e3650949a20bef1c9c9c7de9e027ad5541f369bb694dd3c6f63b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c58848b6e8253f9fdb1351454709efe26130b1f8bfc0fb693e538bf31fa6dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-10T16:21:04Z",
    "title_canon_sha256": "921e48bcc8a7f9d2d540174bc750acb6ca02551b5499b355205edc0dee36170d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2160",
    "kind": "arxiv",
    "version": 1
  }
}