Pith Number

pith:27RXDW6S

pith:2004:27RXDW6S5LJ25OXDZFA6DFDSYY

not attested not anchored not stored refs pending

SSSPM J1444-2019: an extremely high proper motion, ultracool subdwarf

2), (2) University of Leicester, 3) ((1) Astrophysikalisches Institut Potsdam, (3) University of Exeter, Department of Physics & Astronomy, M. J. McCaughrean (1, N. Lodieu (1, R.-D. Scholz (1), School of Physics)

arxiv:astro-ph/0411179 v1 · 2004-11-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{27RXDW6S5LJ25OXDZFA6DFDSYY}

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	2026-07-04T16:45:08.335341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7e371dbd2ead3aebae3c941e19472c61e4216fe74be52fb4c01a7f2421d652f

Aliases

arxiv: astro-ph/0411179 · arxiv_version: astro-ph/0411179v1 · doi: 10.48550/arxiv.astro-ph/0411179 · pith_short_12: 27RXDW6S5LJ2 · pith_short_16: 27RXDW6S5LJ25OXD · pith_short_8: 27RXDW6S

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/27RXDW6S5LJ25OXDZFA6DFDSYY \
  | 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: d7e371dbd2ead3aebae3c941e19472c61e4216fe74be52fb4c01a7f2421d652f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb9f22c4302110d8a1b77892ffa851f8ac14d3a401e4801dba4a561e867368b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-08T08:08:41Z",
    "title_canon_sha256": "40a0a070ffda3f65383a096b80ffe3c8076a3079d26fead74c7ef9ec9dc8dec1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411179",
    "kind": "arxiv",
    "version": 1
  }
}