Pith Number

pith:2FLRKBPK

pith:2009:2FLRKBPK3KWS467SQ4LCIYYB4P

not attested not anchored not stored refs pending

Automated Determination of [Fe/H] and [C/Fe] from Low-Resolution Spectroscopy

B. Marsteller, G. R. Knapp, J. A. Johnson, S. Lucatello, S. Rossi, T. C. Beers, T. Sivarani, V. Placco

arxiv:0907.0258 v1 · 2009-07-01 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FLRKBPK3KWS467SQ4LCIYYB4P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:13:11.324379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1571505eadaad2e7bf28716246301e3c5a4c300b2eb3e51d72a585d91eb6ba9

Aliases

arxiv: 0907.0258 · arxiv_version: 0907.0258v1 · doi: 10.48550/arxiv.0907.0258 · pith_short_12: 2FLRKBPK3KWS · pith_short_16: 2FLRKBPK3KWS467S · pith_short_8: 2FLRKBPK

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/2FLRKBPK3KWS467SQ4LCIYYB4P \
  | 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: d1571505eadaad2e7bf28716246301e3c5a4c300b2eb3e51d72a585d91eb6ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ccd3dc65f7c6d5426a1c581b5bb09caae790972ae6fc5777c5f04451b672cf",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-01T22:57:56Z",
    "title_canon_sha256": "7da33c25ccea21e7679cdafe11fcb03b19d6f1d069281883d50dae47627db6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0258",
    "kind": "arxiv",
    "version": 1
  }
}