Pith Number

pith:PQJJ3SUC

pith:2009:PQJJ3SUC5FYT57LIV4L2CNZSWC

not attested not anchored not stored refs pending

The Mass of the Candidate Exoplanet Companion to HD136118 from Hubble Space Telescope Astrometry and High-Precision Radial Velocities

Amber Armstrong, Barbara E. McArthur, Eder Martioli, G. Fritz Benedict, Jacob L. Bean, Thomas E. Harrison

arxiv:0911.4645 v2 · 2009-11-24 · 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{PQJJ3SUC5FYT57LIV4L2CNZSWC}

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	2026-05-18T02:34:03.771450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c129dca82e9713efd68af17a13732b0a6c8e907b49b9626cd3358bb2b83fd27

Aliases

arxiv: 0911.4645 · arxiv_version: 0911.4645v2 · doi: 10.48550/arxiv.0911.4645 · pith_short_12: PQJJ3SUC5FYT · pith_short_16: PQJJ3SUC5FYT57LI · pith_short_8: PQJJ3SUC

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/PQJJ3SUC5FYT57LIV4L2CNZSWC \
  | 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: 7c129dca82e9713efd68af17a13732b0a6c8e907b49b9626cd3358bb2b83fd27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f701f17291b09e763de0eced249b86186def751e40d813cda052bbe7a5bac26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-24T15:56:15Z",
    "title_canon_sha256": "9d3dbd25b1c248272ec4bb6901e8cb454fa9a4339b856a1ef1604d590bbd304a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4645",
    "kind": "arxiv",
    "version": 2
  }
}