Pith Number

pith:XCYERVYU

pith:2002:XCYERVYUX4KUADREBZAVPGQL6S

not attested not anchored not stored refs pending

All Sky Doppler Extrasolar Planet Surveys with a Multi-object Dispersed Fixed-delay Interferometer

Curtis DeWitt (Penn State University), Jian Ge, Julian van Eyken, Stuart Shaklan (Jet Propulsion Laboratory), Suvrath Mahadevan

arxiv:astro-ph/0212250 v1 · 2002-12-11 · 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{XCYERVYUX4KUADREBZAVPGQL6S}

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	2026-05-18T01:07:35.594651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8b048d714bf15400e240e41579a0bf4aea89a5e1ea2e9663a91b2428060d4b5

Aliases

arxiv: astro-ph/0212250 · arxiv_version: astro-ph/0212250v1 · doi: 10.48550/arxiv.astro-ph/0212250 · pith_short_12: XCYERVYUX4KU · pith_short_16: XCYERVYUX4KUADRE · pith_short_8: XCYERVYU

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/XCYERVYUX4KUADREBZAVPGQL6S \
  | 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: b8b048d714bf15400e240e41579a0bf4aea89a5e1ea2e9663a91b2428060d4b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9721c769b7d5d1b48f702d990be07f843d975b40f8e1d5330a90d234f4016464",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-11T04:26:32Z",
    "title_canon_sha256": "2a16b8d92190a60c63782e412618c67c786f6312d549402362ca91be38e9bc86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212250",
    "kind": "arxiv",
    "version": 1
  }
}