Pith Number

pith:O3BSQENS

pith:2009:O3BSQENSGW2GURMRCSF2DDE6ZX

not attested not anchored not stored refs pending

Precision multi-epoch astrometry with VLT cameras FORS1/2

D. Segransan, F. Pepe, M. Dominik, M. Mayor, P. F. Lazorenko, S. Udry

arxiv:0908.1166 v1 · 2009-08-08 · 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{O3BSQENSGW2GURMRCSF2DDE6ZX}

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	2026-05-18T02:12:36.391119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76c32811b235b46a4591148ba18c9ecdde6eb0e0773cd8c9ae9bb63b27849558

Aliases

arxiv: 0908.1166 · arxiv_version: 0908.1166v1 · doi: 10.48550/arxiv.0908.1166 · pith_short_12: O3BSQENSGW2G · pith_short_16: O3BSQENSGW2GURMR · pith_short_8: O3BSQENS

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/O3BSQENSGW2GURMRCSF2DDE6ZX \
  | 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: 76c32811b235b46a4591148ba18c9ecdde6eb0e0773cd8c9ae9bb63b27849558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff59f170694663cf59c1b99d15b96c419658c52cd916500e51818b309421cfab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-08T12:29:13Z",
    "title_canon_sha256": "7bbeccfc0b518c491853f0690c7b3d75d6f91536dbb01b628e7e5d973a4e0fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1166",
    "kind": "arxiv",
    "version": 1
  }
}