Pith Number

pith:Y65QFZ2J

pith:2009:Y65QFZ2JW4L5HPG7PXNGXL5DB2

not attested not anchored not stored refs pending

The CRIRES Search for Planets Around the Lowest-Mass Stars. I. High-Precision Near-Infrared Radial Velocities with an Ammonia Gas Cell

Andreas Seifahrt, Ansgar Reiners, Guenter Wiedemann, Hampus Nilsson, Henrik Hartman, Jacob L. Bean, Stefan Dreizler, Todd J. Henry

arxiv:0911.3148 v2 · 2009-11-16 · 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{Y65QFZ2JW4L5HPG7PXNGXL5DB2}

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	2026-05-18T02:34:05.094721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7bb02e749b717d3bcdf7dda6bafa30e9fa22216eb0fb40015e701c3cc2839b5

Aliases

arxiv: 0911.3148 · arxiv_version: 0911.3148v2 · doi: 10.48550/arxiv.0911.3148 · pith_short_12: Y65QFZ2JW4L5 · pith_short_16: Y65QFZ2JW4L5HPG7 · pith_short_8: Y65QFZ2J

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/Y65QFZ2JW4L5HPG7PXNGXL5DB2 \
  | 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: c7bb02e749b717d3bcdf7dda6bafa30e9fa22216eb0fb40015e701c3cc2839b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f400f97dcd1a80baa2ab83de27243bd9ad3d609203991cb6377e279c70e727fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-11-16T21:00:59Z",
    "title_canon_sha256": "5f0bce851608b328705cbad23355fdb612caf071e427c46a38fca633ffac25c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3148",
    "kind": "arxiv",
    "version": 2
  }
}