Pith Number

pith:NXVJCWNW

pith:2016:NXVJCWNW36K6VRF7LJW2T2XGTH

not attested not anchored not stored refs pending

3D NLTE analysis of the most iron-deficient star, SMSS0313-6708

Andy R. Casey, Anish M. Amarsi, Jorrit Leenaarts, Karin Lind, Martin Asplund, Paul S. Barklem, Remo Collet, Thomas Nordlander

arxiv:1609.07416 v1 · 2016-09-23 · 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{NXVJCWNW36K6VRF7LJW2T2XGTH}

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	2026-05-18T00:54:29.334993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dea9159b6df95eac4bf5a6da9eae699f3cf21e700b393b0bc51ec88c089911a

Aliases

arxiv: 1609.07416 · arxiv_version: 1609.07416v1 · doi: 10.48550/arxiv.1609.07416 · pith_short_12: NXVJCWNW36K6 · pith_short_16: NXVJCWNW36K6VRF7 · pith_short_8: NXVJCWNW

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/NXVJCWNW36K6VRF7LJW2T2XGTH \
  | 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: 6dea9159b6df95eac4bf5a6da9eae699f3cf21e700b393b0bc51ec88c089911a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c14494b9c98c714da831ce92305a6597607a02165a7156d0213c759b5c655a30",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-23T16:17:09Z",
    "title_canon_sha256": "64a112a2987ef12af5e4bb1e0510ae9a4cc92ea473ee4c813a7218efed9b46a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07416",
    "kind": "arxiv",
    "version": 1
  }
}