Pith Number

pith:ZW7OXGD5

pith:2011:ZW7OXGD5OQV3D2WQM7KWSIRSIA

not attested not anchored not stored refs pending

Astrometry with the Hubble Space Telescope: Trigonometric Parallaxes of Selected Hyads

Barbara E. McArthur, G. Fritz Benedict, Thomas E. Harrison, William van Altena

arxiv:1103.2094 v1 · 2011-03-10 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZW7OXGD5OQV3D2WQM7KWSIRSIA}

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	2026-05-18T02:02:54.975676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdbeeb987d742bb1ead067d56922324005a702d63acfbc2e808c9f48d4f5690f

Aliases

arxiv: 1103.2094 · arxiv_version: 1103.2094v1 · doi: 10.48550/arxiv.1103.2094 · pith_short_12: ZW7OXGD5OQV3 · pith_short_16: ZW7OXGD5OQV3D2WQ · pith_short_8: ZW7OXGD5

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/ZW7OXGD5OQV3D2WQM7KWSIRSIA \
  | 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: cdbeeb987d742bb1ead067d56922324005a702d63acfbc2e808c9f48d4f5690f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8a0251aab4a8007f67a0cf4c4388edc8ce66fc85b3f86caa5993c97451fd0af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-10T18:09:14Z",
    "title_canon_sha256": "b3d69c9e38d6e4b974a18938b05bffef7878b00eb0e1cac0aa68f4d45cb81786"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2094",
    "kind": "arxiv",
    "version": 1
  }
}