Pith Number

pith:CDDGHE27

pith:2010:CDDGHE2734WWDVCHKWMXZJKYA3

not attested not anchored not stored refs pending

Spectroscopic characterization of 78 DENIS ultracool dwarf candidates in the solar neighborhood and the Upper Sco OB association

A. Magazzu, C. Reyle, E.L. Martin, H. Bouy, M. Bessell, N. Phan-Bao, R. Tata, T. Forveille, X. Delfosse

arxiv:1004.1775 v1 · 2010-04-11 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDDGHE2734WWDVCHKWMXZJKYA3}

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	2026-05-18T02:08:07.094421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10c663935fdf2d61d44755997ca55806d593f5822a2323a8698b8fa997f50a20

Aliases

arxiv: 1004.1775 · arxiv_version: 1004.1775v1 · doi: 10.48550/arxiv.1004.1775 · pith_short_12: CDDGHE2734WW · pith_short_16: CDDGHE2734WWDVCH · pith_short_8: CDDGHE27

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/CDDGHE2734WWDVCHKWMXZJKYA3 \
  | 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: 10c663935fdf2d61d44755997ca55806d593f5822a2323a8698b8fa997f50a20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1619a49b5c389da9acb4650f5f5acf9aaa7dc211924f8910b9614f533272e87b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-11T08:31:23Z",
    "title_canon_sha256": "b4bbf709263ea507329ccfed0c4def5ea53af28c2f6b0674317e985ac74a3e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1775",
    "kind": "arxiv",
    "version": 1
  }
}