Pith Number

pith:MZ4W4CKM

pith:2012:MZ4W4CKMZNK4ODIZIUKXGVZADL

not attested not anchored not stored refs pending

The Carina Project. V. The impact of NLTE effects on the iron content

A. Pietrinferni, A. R. Walker, C. E. Corsi, F. Caputo, F. Primas, F. Th\'evenin, G. Bono, G. Iannicola, I. Ferraro, L. Pulone, M. Dall'Ora, M. Fabrizio, M. Marconi, M. Monelli, M. Nonino, M. Romaniello, P. B. Stetson, P. Fran\c{c}ois, P. G. Prada Moroni, R. Buonanno, R. Gilmozzi, S. Degl'Innocenti, T. Merle, V. Ripepi

arxiv:1204.4612 v2 · 2012-04-20 · astro-ph.CO · 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{MZ4W4CKMZNK4ODIZIUKXGVZADL}

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	2026-05-18T01:57:48.206430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66796e094ccb55c70d1945157357201adb2ffd52332eabd8d20cf29ec7b01f40

Aliases

arxiv: 1204.4612 · arxiv_version: 1204.4612v2 · doi: 10.48550/arxiv.1204.4612 · pith_short_12: MZ4W4CKMZNK4 · pith_short_16: MZ4W4CKMZNK4ODIZ · pith_short_8: MZ4W4CKM

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/MZ4W4CKMZNK4ODIZIUKXGVZADL \
  | 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: 66796e094ccb55c70d1945157357201adb2ffd52332eabd8d20cf29ec7b01f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02c74b1e7d14fc89c4a601ed217acb6562d302cb7057055c15d9a4b41d94d892",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-20T13:03:51Z",
    "title_canon_sha256": "889116d8724a5082839d8835c260466bf4f477b8662b9ed8a0bd7cedd9284d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4612",
    "kind": "arxiv",
    "version": 2
  }
}