Pith Number

pith:Y5IIQVXB

pith:2009:Y5IIQVXBJ32EWYNGZ2MHAYAPYI

not attested not anchored not stored refs pending

GTC Osiris spectroscopic identification of a faint L subdwarf in the UKIRT Infrared Deep Sky Survey

2), (3) Centro de Astrobiologia, CSIC-INTA, E. L. Martin (3), E. Solano (3), M. Aberaturi (3) ((1) IAC, Madrid, M. R. Zapatero Osorio (3), N. Lodieu (1, Spain, Spain), Spain (2) University of La Laguna, Tenerife

arxiv:0912.3364 v1 · 2009-12-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5IIQVXBJ32EWYNGZ2MHAYAPYI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:10:16.117617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7508856e14ef44b61a6ce9870600fc218f8847b410d5e6209bf270fe872ad27

Aliases

arxiv: 0912.3364 · arxiv_version: 0912.3364v1 · doi: 10.48550/arxiv.0912.3364 · pith_short_12: Y5IIQVXBJ32E · pith_short_16: Y5IIQVXBJ32EWYNG · pith_short_8: Y5IIQVXB

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/Y5IIQVXBJ32EWYNGZ2MHAYAPYI \
  | 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: c7508856e14ef44b61a6ce9870600fc218f8847b410d5e6209bf270fe872ad27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "704874f8f496b0762f50617fcb13dfd6ddf368756925397540a794be7c3dafd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-17T10:40:50Z",
    "title_canon_sha256": "c578cbfb05dd9225d9369446947bcfd59feeda6c9768b71a0d1d2fa7879e52b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3364",
    "kind": "arxiv",
    "version": 1
  }
}