Pith Number

pith:LP2DRRZD

pith:2019:LP2DRRZDXCGZVC5RELTGURAB5A

not attested not anchored not stored refs pending

System IMF of the 25 Ori Group from Planetary-Mass Objects to Intermediate/High-Mass Stars

(2) Centro Universitario Regional del Este, 3), (3) Centro de Investigaciones de Astronom\'ia, (4) Centro de Astrobiolog\'ia (CSIC/INTA), 5, (5) Instituto de Astrof\'isica de Canarias, 6), (6) Instituto de Astrof\'isica de Andaluc\'ia (CSIC), (7) Cerro Tololo Interamerican Observatory, (8) European Southern Observatory), Carlos Rom\'an-Z\'u\~niga (1), C\'esar Brice\~no (7), Genaro Su\'arez (1), Juan Jos\'e Downes (2, Katherina Vivas (7) ((1) Instituto de Astronom\'ia. UNAM, Miguel Cervi\~no (4, Monika G. Petr-Gotzens (8), Universidad de la Rep\'ublica

arxiv:1903.05739 v1 · 2019-03-13 · 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{LP2DRRZDXCGZVC5RELTGURAB5A}

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	2026-05-17T23:47:57.690125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bf438c723b88d9a8bb122e66a4401e810e589b0d966f5d8ab489168ffa0ce78

Aliases

arxiv: 1903.05739 · arxiv_version: 1903.05739v1 · doi: 10.48550/arxiv.1903.05739 · pith_short_12: LP2DRRZDXCGZ · pith_short_16: LP2DRRZDXCGZVC5R · pith_short_8: LP2DRRZD

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/LP2DRRZDXCGZVC5RELTGURAB5A \
  | 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: 5bf438c723b88d9a8bb122e66a4401e810e589b0d966f5d8ab489168ffa0ce78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7a156a4d6aadba8f0b14d5941525b48407c277d79f71e61d634bd60d09e89e6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-13T22:27:03Z",
    "title_canon_sha256": "6a785a9fd7bc327be92638786411ab6e698f90571e84136ba88c78e5d6bcecd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05739",
    "kind": "arxiv",
    "version": 1
  }
}