Pith Number

pith:QFTKLARG

pith:2008:QFTKLARGEUEU7EQWDUJJILDNDY

not attested not anchored not stored refs pending

High Precision Radial Velocity Measurements in the Infrared: A First Assessment of the RV Stability of CRIRES

Andreas Seifahrt, Hans-Ulrich Kaeufl

arxiv:0809.1435 v1 · 2008-09-08 · 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{QFTKLARGEUEU7EQWDUJJILDNDY}

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	2026-07-04T17:12:39.121104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8166a5822625094f92161d12942c6d1e2fcb34e5a717727006e66e4e66c8aa6d

Aliases

arxiv: 0809.1435 · arxiv_version: 0809.1435v1 · doi: 10.48550/arxiv.0809.1435 · pith_short_12: QFTKLARGEUEU · pith_short_16: QFTKLARGEUEU7EQW · pith_short_8: QFTKLARG

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/QFTKLARGEUEU7EQWDUJJILDNDY \
  | 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: 8166a5822625094f92161d12942c6d1e2fcb34e5a717727006e66e4e66c8aa6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09d5317e98363ce517bc9e37ddc47eeaa69e5f880d1a3b9fab3851942e5980c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-08T20:04:01Z",
    "title_canon_sha256": "887ea3c71dba2935ec1139134763b9062219985ed5c00644f34a19e3f62460ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1435",
    "kind": "arxiv",
    "version": 1
  }
}