Pith Number

pith:P7O6KIOC

pith:2012:P7O6KIOC6JYYL2ARTTEM2YL6FV

not attested not anchored not stored refs pending

Overabundance of alpha-elements in exoplanet host stars

C. Lovis, E. Delgado Mena, G. Israelian, J. I. Gonzalez Hernandez, M. Mayor, N. C. Santos, S. G. Sousa, S. Udry, V. Zh. Adibekyan

arxiv:1205.6670 v2 · 2012-05-30 · astro-ph.EP · 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{P7O6KIOC6JYYL2ARTTEM2YL6FV}

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	2026-05-18T01:57:09.973680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fdde521c2f27185e8119cc8cd617e2d6eb6381174cee60f49997a0cb49157b9

Aliases

arxiv: 1205.6670 · arxiv_version: 1205.6670v2 · doi: 10.48550/arxiv.1205.6670 · pith_short_12: P7O6KIOC6JYY · pith_short_16: P7O6KIOC6JYYL2AR · pith_short_8: P7O6KIOC

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/P7O6KIOC6JYYL2ARTTEM2YL6FV \
  | 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: 7fdde521c2f27185e8119cc8cd617e2d6eb6381174cee60f49997a0cb49157b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bf5e736245e46991a1932ad5ddf5a10c733cdbd5a0bf359a37c5a0fda7b1636",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-05-30T13:33:18Z",
    "title_canon_sha256": "9a354d6d84c0d2cda508eb03aa1a31ff3d8a0ff0c3a2d0f53ca58aa60b5f3d2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6670",
    "kind": "arxiv",
    "version": 2
  }
}