Pith Number

pith:4I7ARAPF

pith:2008:4I7ARAPF7CDSCIXHDID23SFC7U

not attested not anchored not stored refs pending

A search for southern ultracool dwarfs in young moving groups

A. C. Day-Jones, B. Burningham, D. J. Pinfield, H. R. A. Jones, J. R. A. Clarke, J. R. Barnes, J. S. Jenkins, M. C. Galvez-Ortiz, N. R. Deacon, R. S. Pokorny

arxiv:0805.4772 v2 · 2008-05-30 · 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{4I7ARAPF7CDSCIXHDID23SFC7U}

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	2026-05-18T04:26:45.989917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e23e0881e5f8872122e71a07adc8a2fd0098ddcdb0f97c8294e8204aa1ae52e0

Aliases

arxiv: 0805.4772 · arxiv_version: 0805.4772v2 · doi: 10.48550/arxiv.0805.4772 · pith_short_12: 4I7ARAPF7CDS · pith_short_16: 4I7ARAPF7CDSCIXH · pith_short_8: 4I7ARAPF

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/4I7ARAPF7CDSCIXHDID23SFC7U \
  | 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: e23e0881e5f8872122e71a07adc8a2fd0098ddcdb0f97c8294e8204aa1ae52e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff4f5893a503099d77bb53833859c17bbc6c82502d80dba52e79d4ef897c541e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-30T14:28:49Z",
    "title_canon_sha256": "a567e5c23e581d42fadf4d81963e7e67684e82e1eac8ab7f9516b8aa6c41b5f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4772",
    "kind": "arxiv",
    "version": 2
  }
}