Pith Number

pith:HY6ZTM6N

pith:2009:HY6ZTM6NT25737SQINOSUJ2NJJ

not attested not anchored not stored refs pending

A spectroscopic survey of the youngest field stars in the solar neighbourhood. I. The optically bright sample

1), (2) INAF - Osservatorio Astrofisico di Catania, (3) Dipartimento di Fisica e Astronomia - Universita' di Catania, (4) Laboratoire d'Astrophysique de Grenoble - Universite' Joseph-Fourier, (5) Laboratoire H. Fizeau de Nice, (6) European Southern Observatory), A. Frasca (2), A. Klutsch (1), C. Motch (1), E. Marilli (2), G. Mignemi (3, J. Bouvier (4), K. Biazzo (2), M. Sterzik (6) ((1) Observatoire Astronomique - Universite' de Strasbourg, P. Guillout (1), R. Freire Ferrero (1), R. Monier (5)

arxiv:0907.1157 v1 · 2009-07-07 · 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{HY6ZTM6NT25737SQINOSUJ2NJJ}

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	2026-05-18T02:13:04.837618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e3d99b3cd9ebbfdfe50435d2a274d4a6d3d50a7ebcca73db3e3d5826ca37d3b

Aliases

arxiv: 0907.1157 · arxiv_version: 0907.1157v1 · doi: 10.48550/arxiv.0907.1157 · pith_short_12: HY6ZTM6NT257 · pith_short_16: HY6ZTM6NT25737SQ · pith_short_8: HY6ZTM6N

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/HY6ZTM6NT25737SQINOSUJ2NJJ \
  | 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: 3e3d99b3cd9ebbfdfe50435d2a274d4a6d3d50a7ebcca73db3e3d5826ca37d3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d930acad0e485d9d8c489f6f17feed622bb2db913cd9eee6c15cd3704d1aa855",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-07T07:33:58Z",
    "title_canon_sha256": "9621b76cc2a18de8238409cf7ae26bfaf1c79cc1cac5ef41950448bb1cd15a76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1157",
    "kind": "arxiv",
    "version": 1
  }
}