Pith Number

pith:7DPJQPWB

pith:2005:7DPJQPWBCO4GOFNRI4GKXRKK34

not attested not anchored not stored refs pending

High-Mass Cloud Cores in the eta Carinae Giant Molecular Cloud

H. Ogawa, K. Kimura, N. Yamaguchi, Peter J. Barnes, S. Asayama, Y. Fukui, Y. Kanai, Y. Yonekura

arxiv:astro-ph/0508121 v2 · 2005-08-04 · 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{7DPJQPWBCO4GOFNRI4GKXRKK34}

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	2026-07-04T17:28:34.953548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8de983ec113b86715b1470cabc54adf286cb70414afe873f3da294f70e676bc

Aliases

arxiv: astro-ph/0508121 · arxiv_version: astro-ph/0508121v2 · doi: 10.48550/arxiv.astro-ph/0508121 · pith_short_12: 7DPJQPWBCO4G · pith_short_16: 7DPJQPWBCO4GOFNR · pith_short_8: 7DPJQPWB

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/7DPJQPWBCO4GOFNRI4GKXRKK34 \
  | 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: f8de983ec113b86715b1470cabc54adf286cb70414afe873f3da294f70e676bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a444d1a8e6efe4664dc9a63f1fb2588b54da875d8038197239ae1da4acdb314",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-04T05:09:30Z",
    "title_canon_sha256": "b312411cc26d0c06f91c73bd2f8647a2a3ea53d162ec7227ccb825f678e0f790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508121",
    "kind": "arxiv",
    "version": 2
  }
}