Pith Number

pith:UWGJBE64

pith:2002:UWGJBE6473KL5BMXRJ4R25IYMF

not attested not anchored not stored refs pending

Massive star formation in 100,000 years from turbulent and pressurized molecular clouds

Christopher F. McKee (1), Jonathan C. Tan (2) ((1) Depts. of Physics & Astronomy, UC Berkeley; (2) Princeton University Observatory)

arxiv:astro-ph/0203071 v1 · 2002-03-06 · 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{UWGJBE6473KL5BMXRJ4R25IYMF}

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	2026-05-18T01:40:43.166438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a58c9093dcfed4be85978a791d7518614352cc93610a8ed1066e1c4c8e749045

Aliases

arxiv: astro-ph/0203071 · arxiv_version: astro-ph/0203071v1 · doi: 10.48550/arxiv.astro-ph/0203071 · pith_short_12: UWGJBE6473KL · pith_short_16: UWGJBE6473KL5BMX · pith_short_8: UWGJBE64

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/UWGJBE6473KL5BMXRJ4R25IYMF \
  | 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: a58c9093dcfed4be85978a791d7518614352cc93610a8ed1066e1c4c8e749045

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42bc2630f18c34d9851f35b5fd05f2b868af8470bf66fc7e8dbd8ddeda424401",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-06T06:03:20Z",
    "title_canon_sha256": "4ed8be661efd1a45fda73327eb5bc3f5c9b26ae37e32e805f9e17b5e1e026bd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203071",
    "kind": "arxiv",
    "version": 1
  }
}