Pith Number

pith:YZF5BCT3

pith:2012:YZF5BCT34EYHXC7MTVNS2MELEX

not attested not anchored not stored refs pending

Chemical abundances of metal-poor RR Lyrae stars in the Magellanic Clouds

(2) Harvard-Smithsonian Center for Astrophysics, 3), (3) MIT, (4) Landessternwarte, Andreas Koch (4) ((1) Astronomisches Rechen-Institut, Anna Frebel (2, Camilla Hansen (4), Eva K. Grebel (1), Kavli Institute for Astrophysics, Raoul Haschke (1), Sonia Duffau (1), Space Research, Zentrum f\"ur Astronomie der Universit\"at Heidelberg, Zentrum f\"ur Astronomie der Universit\"at Heidelberg)

arxiv:1206.4999 v1 · 2012-06-21 · 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{YZF5BCT34EYHXC7MTVNS2MELEX}

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	2026-05-18T01:56:43.532155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c64bd08a7be1307b8bec9d5b2d308b25f978626a387989e007e85512d4dac289

Aliases

arxiv: 1206.4999 · arxiv_version: 1206.4999v1 · doi: 10.48550/arxiv.1206.4999 · pith_short_12: YZF5BCT34EYH · pith_short_16: YZF5BCT34EYHXC7M · pith_short_8: YZF5BCT3

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/YZF5BCT34EYHXC7MTVNS2MELEX \
  | 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: c64bd08a7be1307b8bec9d5b2d308b25f978626a387989e007e85512d4dac289

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca83a74aefcd276d5139a9cda076187bcb371b98b9b07f9d998b1f480df3b44",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-21T20:00:00Z",
    "title_canon_sha256": "50b6719af1c55269afcaf2c9e9aea00e6bd74b36b97b1b80f8ed440abc0a829c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4999",
    "kind": "arxiv",
    "version": 1
  }
}