Pith Number

pith:XDWIUSWY

pith:2014:XDWIUSWYX4WFNUSQ5MKGNEHKUS

not attested not anchored not stored refs pending

Astrometric planet search around southern ultracool dwarfs I: First results, including parallaxes of 20 M8-L2 dwarfs

D. Queloz, D. Segransan, E.L. Martin, J. Sahlmann, M. Mayor, P.F. Lazorenko, S. Udry

arxiv:1403.1275 v2 · 2014-03-05 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XDWIUSWYX4WFNUSQ5MKGNEHKUS}

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	2026-05-18T02:52:25.555521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ec8a4ad8bf2c56d250eb146690eaa4ad1ad98b4e12bdfa57fca8cb805e17a7

Aliases

arxiv: 1403.1275 · arxiv_version: 1403.1275v2 · doi: 10.48550/arxiv.1403.1275 · pith_short_12: XDWIUSWYX4WF · pith_short_16: XDWIUSWYX4WFNUSQ · pith_short_8: XDWIUSWY

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/XDWIUSWYX4WFNUSQ5MKGNEHKUS \
  | 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: b8ec8a4ad8bf2c56d250eb146690eaa4ad1ad98b4e12bdfa57fca8cb805e17a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1a7623affe3a407633f292fb5fea1db11e8d64243e14d0a73da8f03fc5562e8",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-03-05T21:26:40Z",
    "title_canon_sha256": "462d4ee7d07a5a55df588950294cc9dc8d026ad5654bd0cabae2b46b64d56790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1275",
    "kind": "arxiv",
    "version": 2
  }
}