Pith Number

pith:WB5GLW5R

pith:2022:WB5GLW5RCKFWKG7DGTJNW4FKLG

not attested not anchored not stored refs pending

Estimation of Nitrogen-to-Iron Abundance Ratios From Low-Resolution Spectra

Changmin Kim, Thomas Masseron, Timothy C. Beers, Young Sun Lee

arxiv:2204.03933 v1 · 2022-04-08 · 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{WB5GLW5RCKFWKG7DGTJNW4FKLG}

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	2026-07-05T04:26:00.925203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07a65dbb1128b651be334d2db70aa599164d346aa41d3fa51612bd451b96080

Aliases

arxiv: 2204.03933 · arxiv_version: 2204.03933v1 · doi: 10.48550/arxiv.2204.03933 · pith_short_12: WB5GLW5RCKFW · pith_short_16: WB5GLW5RCKFWKG7D · pith_short_8: WB5GLW5R

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/WB5GLW5RCKFWKG7DGTJNW4FKLG \
  | 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: b07a65dbb1128b651be334d2db70aa599164d346aa41d3fa51612bd451b96080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0392f32b38656fdb115b9ef5dab3fc8f7fe3a4bce0e77a574df20c03ca0d31f0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-08T08:52:52Z",
    "title_canon_sha256": "141bade88fecd397af28d8272b8be831b3f684bba9eba532c748693c24dcc356"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.03933",
    "kind": "arxiv",
    "version": 1
  }
}