Pith Number

pith:XPDZ2TZK

pith:2001:XPDZ2TZKHOEF3CG4ZCSJNGRQPY

not attested not anchored not stored refs pending

Search for nearby stars among proper motion stars selected by optical-to-infrared photometry. I. Discovery of LHS 2090 at spectroscopic distance of d=6pc

H. Jahrei{\ss}, H. Meusinger, R.-D. Scholz

arxiv:astro-ph/0106222 v1 · 2001-06-13 · 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{XPDZ2TZKHOEF3CG4ZCSJNGRQPY}

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	2026-05-18T01:07:45.757034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbc79d4f2a3b885d88dcc8a4969a307e2eb26a64d76e067d97be4d7a1e668907

Aliases

arxiv: astro-ph/0106222 · arxiv_version: astro-ph/0106222v1 · doi: 10.48550/arxiv.astro-ph/0106222 · pith_short_12: XPDZ2TZKHOEF · pith_short_16: XPDZ2TZKHOEF3CG4 · pith_short_8: XPDZ2TZK

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/XPDZ2TZKHOEF3CG4ZCSJNGRQPY \
  | 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: bbc79d4f2a3b885d88dcc8a4969a307e2eb26a64d76e067d97be4d7a1e668907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07adb3c0903d21c2b9763ddff2b7eef37d3fd47be4fe2d32c10f4f4b2041bb0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-13T07:50:28Z",
    "title_canon_sha256": "02269adc48592d90c80d55cee207719c73ef750f742d63db328253c463b9fb7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106222",
    "kind": "arxiv",
    "version": 1
  }
}