Pith Number

pith:WU5D4KTX

pith:2009:WU5D4KTX65TWKRG4LEU645ZPXF

not attested not anchored not stored refs pending

Deep census of variable stars in a VLT/VIMOS field in Carina

2), (2) Copernicus Astronomical Center, 3), (3) Vatican Observatory, 4), (4) CfA, (5) Univ. de Concepcion, 6), (6) Warsaw Univ. Obs., (7) Univ. de Chile, (8) Instituto de Astronomia y Fisica del Espacio, Argentina), Chile, D. Minniti (1, G. Pietrzynski (5, J.M. Fernandez (1, M. Hempel (1) ((1) Univ. Catolica de Chile, M.T. Ruiz (7), M. Zoccali (1), Poland, P. Pietrukowicz (1, R.F. Diaz (8), W. Gieren (5)

arxiv:0905.4275 v1 · 2009-05-26 · 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{WU5D4KTX65TWKRG4LEU645ZPXF}

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	2026-05-18T02:13:31.820236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53a3e2a77f7676544dc5929ee772fb945d8e1b177f0a19bfe9d060f41eff9cb

Aliases

arxiv: 0905.4275 · arxiv_version: 0905.4275v1 · doi: 10.48550/arxiv.0905.4275 · pith_short_12: WU5D4KTX65TW · pith_short_16: WU5D4KTX65TWKRG4 · pith_short_8: WU5D4KTX

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/WU5D4KTX65TWKRG4LEU645ZPXF \
  | 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: b53a3e2a77f7676544dc5929ee772fb945d8e1b177f0a19bfe9d060f41eff9cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85ae81ae5e7639baeb33ce5529bdbd20d253e33c1b1605a6131f50ac0871537a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-26T19:21:02Z",
    "title_canon_sha256": "69fddca8a0a1e25ab88939907f59c2cd8aa92a2b9479d911e83a72fb56388bc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4275",
    "kind": "arxiv",
    "version": 1
  }
}