Pith Number

pith:W5GENJZ3

pith:2002:W5GENJZ3T2YSC26MWXSR2SEUZ7

not attested not anchored not stored refs pending

Two massive star-forming regions at early evolutionary stages

(2) European Southern Observatory, (3) Australia Telescope National Facility, (4) University of New South Wales), Diego Mardones (1), Guido Garay (1), Kate Brooks (2), Michael G. Burton (4) ((1) Universidad de Chile, Ray P. Norris (3)

arxiv:astro-ph/0207570 v1 · 2002-07-26 · 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{W5GENJZ3T2YSC26MWXSR2SEUZ7}

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	2026-05-18T04:27:05.124143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b74c46a73b9eb1216bccb5e51d4894cfcaffe617670bfefb2b87410f4a628134

Aliases

arxiv: astro-ph/0207570 · arxiv_version: astro-ph/0207570v1 · doi: 10.48550/arxiv.astro-ph/0207570 · pith_short_12: W5GENJZ3T2YS · pith_short_16: W5GENJZ3T2YSC26M · pith_short_8: W5GENJZ3

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/W5GENJZ3T2YSC26MWXSR2SEUZ7 \
  | 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: b74c46a73b9eb1216bccb5e51d4894cfcaffe617670bfefb2b87410f4a628134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4056fa23972f6853e5078bc9948c4e73418387946c3ad0aa633add7da9e9c96",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-26T01:45:31Z",
    "title_canon_sha256": "9cb9e212d38e9add193976b5c4001077e8a3b28002729989865570d6fba6758a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207570",
    "kind": "arxiv",
    "version": 1
  }
}