Pith Number

pith:MOTRWXCA

pith:2004:MOTRWXCACHV76DWCXMDAPB5PB4

not attested not anchored not stored refs pending

Search for massive protostellar candidates in the southern hemisphere: I. Association with dense gas

C.M. Walmsley, F. Fontani, J. Brand, L. Testi, M.T. Beltran, R. Cesaroni, S. Molinari

arxiv:astro-ph/0412158 v1 · 2004-12-07 · 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{MOTRWXCACHV76DWCXMDAPB5PB4}

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	2026-07-04T16:45:22.000307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63a71b5c4011ebff0ec2bb060787af0f34283629759509f3446ccc2f421b6876

Aliases

arxiv: astro-ph/0412158 · arxiv_version: astro-ph/0412158v1 · doi: 10.48550/arxiv.astro-ph/0412158 · pith_short_12: MOTRWXCACHV7 · pith_short_16: MOTRWXCACHV76DWC · pith_short_8: MOTRWXCA

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/MOTRWXCACHV76DWCXMDAPB5PB4 \
  | 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: 63a71b5c4011ebff0ec2bb060787af0f34283629759509f3446ccc2f421b6876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c57af3ac085e8b43d733d595ea60d2b3847017d0298134a7bc37ce5cfdb93a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-07T18:24:11Z",
    "title_canon_sha256": "b65b40beeee67985cc3b38ec71db354df4bee54fce2489f17eca65f30dd96a25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412158",
    "kind": "arxiv",
    "version": 1
  }
}