Pith Number

pith:D4DQD5SH

pith:2006:D4DQD5SHXVASNLNFLJHHY5GYP4

not attested not anchored not stored refs pending

Silicon and Nickel Enrichment in Planet-Host Stars: Observations and Implications for the Core-Accretion Theory of Planet Formation

(2) SFSU), Debra Fischer (2) ((1) UCO/Lick Observatory, Gregory Laughlin (1), Peter Bodenheimer (1), Sarah E. Robinson (1)

arxiv:astro-ph/0601656 v1 · 2006-01-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4DQD5SHXVASNLNFLJHHY5GYP4}

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.

Cited by

1 paper in Pith

Chemical Abundances of the Bioessential Elements C, O and S, and the Refractory Elements Fe and Ni, in Solar-type Exoplanet-hosting Stars from HARPS North and South

Receipt and verification

First computed	2026-07-04T16:57:53.227112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f0701f647bd4126ada55a4e7c74d87f0525ced54f061094ade5de0f3efdc8d5

Aliases

arxiv: astro-ph/0601656 · arxiv_version: astro-ph/0601656v1 · doi: 10.48550/arxiv.astro-ph/0601656 · pith_short_12: D4DQD5SHXVAS · pith_short_16: D4DQD5SHXVASNLNF · pith_short_8: D4DQD5SH

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/D4DQD5SHXVASNLNFLJHHY5GYP4 \
  | 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: 1f0701f647bd4126ada55a4e7c74d87f0525ced54f061094ade5de0f3efdc8d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14cb34d831468f050fc1e591a2dfd58509ccae702a3a87d1682ec50e49a84c4e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-27T21:16:14Z",
    "title_canon_sha256": "45a24b65beacf8a20e9f7eb8903b1e2b186eddb815601db7d835969587a4448f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601656",
    "kind": "arxiv",
    "version": 1
  }
}