Pith Number

pith:YPK76ULJ

pith:2012:YPK76ULJOLBH4SS6E6VXGSVOGH

not attested not anchored not stored refs pending

Constraints on the Formation of the Galactic Bulge from Na, Al, and Heavy Element Abundances in Plaut's Field

Chiaki Kobayashi, Christian I. Johnson, Jon P. Fulbright, R. Michael Rich

arxiv:1202.4481 v1 · 2012-02-20 · astro-ph.SR · 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{YPK76ULJOLBH4SS6E6VXGSVOGH}

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	2026-05-18T01:58:23.199222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d5ff516972c27e4a5e27ab734aae31fe69c29e3ee9ed046170ae6f18e05059

Aliases

arxiv: 1202.4481 · arxiv_version: 1202.4481v1 · doi: 10.48550/arxiv.1202.4481 · pith_short_12: YPK76ULJOLBH · pith_short_16: YPK76ULJOLBH4SS6 · pith_short_8: YPK76ULJ

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/YPK76ULJOLBH4SS6E6VXGSVOGH \
  | 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: c3d5ff516972c27e4a5e27ab734aae31fe69c29e3ee9ed046170ae6f18e05059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2daf2f089a891ce3a7e9ff0950335c3aeaf94884117fbf33d1b788ad7ef7680",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-20T22:00:34Z",
    "title_canon_sha256": "449775925c3e0345c5f4240621f72f5fcad8fdf931e3c09eb8b35aabe3c6e646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4481",
    "kind": "arxiv",
    "version": 1
  }
}