Pith Number

pith:UKDGLAAR

pith:2009:UKDGLAARQOYPODZKAHR3J7A3WK

not attested not anchored not stored refs pending

The California Planet Survey II. A Saturn-Mass Planet Orbiting the M Dwarf Gl649

Andrew W. Howard, Brendan P. Bowler, Debra A. Fischer, Geoffrey W. Marcy, Gregory W. Henry, Howard Isaacson, Jason T. Wright, John Asher Johnson, Kevin Apps

arxiv:0912.2730 v1 · 2009-12-14 · 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{UKDGLAARQOYPODZKAHR3J7A3WK}

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	2026-05-18T02:10:23.801297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a28665801183b0f70f2a01e3b4fc1bb2b1ad4aff229a00f70af7755ae46c8d48

Aliases

arxiv: 0912.2730 · arxiv_version: 0912.2730v1 · doi: 10.48550/arxiv.0912.2730 · pith_short_12: UKDGLAARQOYP · pith_short_16: UKDGLAARQOYPODZK · pith_short_8: UKDGLAAR

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/UKDGLAARQOYPODZKAHR3J7A3WK \
  | 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: a28665801183b0f70f2a01e3b4fc1bb2b1ad4aff229a00f70af7755ae46c8d48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a71abcc9b5ab329bccab9826f89a312c1d311d05cd3add31b107c6562cbb7e27",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-12-14T21:05:12Z",
    "title_canon_sha256": "2bb1d54745ba0a29d7490990dec2e23c05761ca3a09dcda7d3bb78a6e38957c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2730",
    "kind": "arxiv",
    "version": 1
  }
}