Pith Number

pith:BRBHNG4W

pith:2002:BRBHNG4WZB7CUXB7TCQ2TU3UBB

not attested not anchored not stored refs pending

The Luminosity & Mass Function of the Trapezium Cluster: From B stars to the Deuterium Burning Limit

((1) University of Florida, (2) Smithsonian Astrophysical Observatory, (3) European Southern Observatory), A. Muench (1), C. Lada (2), E. Lada (1), J. Alves (3)

arxiv:astro-ph/0203122 v1 · 2002-03-07 · 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{BRBHNG4WZB7CUXB7TCQ2TU3UBB}

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	2026-05-18T02:40:35.644821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c42769b96c87e2a5c3f98a1a9d3740840416ff62bb01fcb4d471d0517a5c46e

Aliases

arxiv: astro-ph/0203122 · arxiv_version: astro-ph/0203122v1 · doi: 10.48550/arxiv.astro-ph/0203122 · pith_short_12: BRBHNG4WZB7C · pith_short_16: BRBHNG4WZB7CUXB7 · pith_short_8: BRBHNG4W

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/BRBHNG4WZB7CUXB7TCQ2TU3UBB \
  | 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: 0c42769b96c87e2a5c3f98a1a9d3740840416ff62bb01fcb4d471d0517a5c46e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c68a101630d6a09355d948794e35fc33703c7d5e7bb3baef589308cd2dd8e32",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-07T22:56:18Z",
    "title_canon_sha256": "943c834f3aa7f70eb94af9eca9e9e4080b04be7c16bb8e06bee45488eae849fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203122",
    "kind": "arxiv",
    "version": 1
  }
}