Pith Number

pith:BR2JWAGW

pith:2003:BR2JWAGWMX7LFADZNLG4TEFL6R

not attested not anchored not stored refs pending

The Origin of Cosmic Dust

Haley Morgan, Loretta Dunne, Mike Edumnds, Rob Ivison, Stephen Eales

arxiv:astro-ph/0307320 v1 · 2003-07-16 · 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{BR2JWAGWMX7LFADZNLG4TEFL6R}

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.

Cited by

1 paper in Pith

Hub-filament systems and the growth of massive stars: episodic accretion, clustered environments, and projection effects

Receipt and verification

First computed	2026-07-04T16:51:18.533772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c749b00d665feb280796acdc990abf46956216cb5b762a8a4628422fe9b9866

Aliases

arxiv: astro-ph/0307320 · arxiv_version: astro-ph/0307320v1 · doi: 10.48550/arxiv.astro-ph/0307320 · pith_short_12: BR2JWAGWMX7L · pith_short_16: BR2JWAGWMX7LFADZ · pith_short_8: BR2JWAGW

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/BR2JWAGWMX7LFADZNLG4TEFL6R \
  | 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: 0c749b00d665feb280796acdc990abf46956216cb5b762a8a4628422fe9b9866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a706858040f26a415c230009e29eb93df09c3979524722ecc5a57ec9c16255b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-07-16T17:21:56Z",
    "title_canon_sha256": "185690f90544594715c2ef417f77098d021b490d7ea9793321ef6f4aca883f59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0307320",
    "kind": "arxiv",
    "version": 1
  }
}