Pith Number

pith:UDO47RPM

pith:2001:UDO47RPM24BF5EW6ICSU4B5XIL

not attested not anchored not stored refs pending

An Adaptive Optics Search for Companions to Stars with Planets

K. L. Luhman (CfA), Ray Jayawardhana (UCB)

arxiv:astro-ph/0110550 v1 · 2001-10-25 · 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{UDO47RPM24BF5EW6ICSU4B5XIL}

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	2026-05-18T02:40:35.898392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0ddcfc5ecd7025e92de40a54e07b742d2ce1a5c89a0a6bbaf8c3197f353c407

Aliases

arxiv: astro-ph/0110550 · arxiv_version: astro-ph/0110550v1 · doi: 10.48550/arxiv.astro-ph/0110550 · pith_short_12: UDO47RPM24BF · pith_short_16: UDO47RPM24BF5EW6 · pith_short_8: UDO47RPM

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/UDO47RPM24BF5EW6ICSU4B5XIL \
  | 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: a0ddcfc5ecd7025e92de40a54e07b742d2ce1a5c89a0a6bbaf8c3197f353c407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90a3848584787e98eddb0e1de04ee2b4010ca4b00e146afa0434b5d95f8ce731",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-25T14:13:50Z",
    "title_canon_sha256": "f66bf4cae3ca9a84a3d7c38c9f7a5a4d80e1a9738891278aef7107d256a7e39a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110550",
    "kind": "arxiv",
    "version": 1
  }
}