Pith Number

pith:7ARK7XGK

pith:2017:7ARK7XGK2B3WKHKG2B6KSVSMWZ

not attested not anchored not stored refs pending

New Low-Mass Stars in the 25 Orionis Stellar Group and Orion OB1a Sub-association from SDSS-III/BOSS Spectroscopy

(2) Centro de Investigaciones de Astronom\'ia, (3) Department of Physics & Astronomy, (4) European Southern Observatory, (5) Department of Physics & Astronomy, (6) Cerro Tololo Interamerican Observatory, BC, Bellingham WA, Carlos Rom\'an-Z\'u\~niga (1), C\'esar Brice\~no (6) ((1) Instituto de Astronom\'ia, Chile), Ensenada, Genaro Su\'arez (1), Germany, Jes\'us Hern\'andez (1), Juan Jos\'e Downes (2), Keivan G. Stassun (5), Kevin R. Covey (3), La Serena, Mauricio Tapia (1), M\'erida, M\'exico, Monika G. Petr-Gotzens (4), M\"unchen, Nashville, TN, UNAM, USA, Vanderbilt University, Venezuela, Western Washington University

arxiv:1705.02722 v1 · 2017-05-08 · 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{7ARK7XGK2B3WKHKG2B6KSVSMWZ}

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	2026-05-18T00:41:33.045294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f822afdccad077651d46d07ca9564cb67637c3d91c568607ca43994562785a4f

Aliases

arxiv: 1705.02722 · arxiv_version: 1705.02722v1 · doi: 10.48550/arxiv.1705.02722 · pith_short_12: 7ARK7XGK2B3W · pith_short_16: 7ARK7XGK2B3WKHKG · pith_short_8: 7ARK7XGK

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/7ARK7XGK2B3WKHKG2B6KSVSMWZ \
  | 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: f822afdccad077651d46d07ca9564cb67637c3d91c568607ca43994562785a4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7af8a653faf53d4728fc1f385786a4b606976383f17c738e18847865ff5bc227",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-05-08T01:44:26Z",
    "title_canon_sha256": "8cfb7368ec9137aa0291d65607cd0b1f2130cb9def1ed19486994066ba427228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02722",
    "kind": "arxiv",
    "version": 1
  }
}