Pith Number

pith:SMNOIN2A

pith:2004:SMNOIN2AMJ6Z52PJD3SVOYSUR4

not attested not anchored not stored refs pending

Confirmation of Errors in Hipparcos Parallaxes from HST/FGS Astrometry of the Pleiades

Barbara McArthur, Burton F. Jones (Lick Observatory, David R. Soderblom, Ed Nelan (Space Telescope Science Institute), G. Fritz Benedict, Ivan Ramirez, University of California), University of Texas), William Spiesman (McDonald Observatory

arxiv:astro-ph/0412093 v2 · 2004-12-03 · 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{SMNOIN2AMJ6Z52PJD3SVOYSUR4}

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	2026-05-18T02:40:25.982744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

931ae43740627d9ee9e91ee55762548f10ba20261591197bc9efda917855c968

Aliases

arxiv: astro-ph/0412093 · arxiv_version: astro-ph/0412093v2 · doi: 10.48550/arxiv.astro-ph/0412093 · pith_short_12: SMNOIN2AMJ6Z · pith_short_16: SMNOIN2AMJ6Z52PJ · pith_short_8: SMNOIN2A

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/SMNOIN2AMJ6Z52PJD3SVOYSUR4 \
  | 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: 931ae43740627d9ee9e91ee55762548f10ba20261591197bc9efda917855c968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45218928a0712142c2e9fbed43e5eb6f70917068b9e2342b17a3bd9232302628",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-03T19:54:55Z",
    "title_canon_sha256": "628bcb2b34449e6cb5f3bbbffafcde5c3b71600dcd8eb3a26a395214f49107bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412093",
    "kind": "arxiv",
    "version": 2
  }
}