Pith Number

pith:JHWRHJRL

pith:2015:JHWRHJRLKWTE32ACQHHAHF6QDN

not attested not anchored not stored refs pending

The number fraction of discs around brown dwarfs in Orion OB1a and the 25 Orionis group

Carlos Rom\'an-Z\'u\~niga, Cecilia Mateu, C\'esar Brice\~no, Javier Ballesteros-Paredes, Jes\'us Hern\'andez, Juan Jos\'e Downes, Karina Mauco, Lee Hartmann, Monika G. Petr-Gotzens, Nuria Calvet

arxiv:1504.05196 v1 · 2015-04-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHWRHJRLKWTE32ACQHHAHF6QDN}

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	2026-05-18T02:18:14.877763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49ed13a62b55a64de80281ce0397d01b64b9b8dbe61b1ab40a1d987718423140

Aliases

arxiv: 1504.05196 · arxiv_version: 1504.05196v1 · doi: 10.48550/arxiv.1504.05196 · pith_short_12: JHWRHJRLKWTE · pith_short_16: JHWRHJRLKWTE32AC · pith_short_8: JHWRHJRL

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/JHWRHJRLKWTE32ACQHHAHF6QDN \
  | 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: 49ed13a62b55a64de80281ce0397d01b64b9b8dbe61b1ab40a1d987718423140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e38528380f38e87a6bac7319f9d390c0c5110a1d7fc7cb79ab7c6e4949c5f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-20T20:01:14Z",
    "title_canon_sha256": "efb55b2b8bc4475b2792c8c8f2618196b7614ba6797ded6c0a0671159de1a12a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05196",
    "kind": "arxiv",
    "version": 1
  }
}