Pith Number

pith:WCVLR6QP

pith:2009:WCVLR6QPMDUJC3XTGDZWD3GZRR

not attested not anchored not stored refs pending

Molecular gas and a new young stellar cluster in the far outer Galaxy

Andre M. Martins, Davide Elia, Joana I. Gomes, Joao L. Yun, Pedro M. Palmeirim

arxiv:0904.3502 v1 · 2009-04-22 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WCVLR6QPMDUJC3XTGDZWD3GZRR}

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	2026-05-18T02:13:58.016206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0aab8fa0f60e8916ef330f361ecd98c59ff5f182ffd5a5bdcdf05aa466b7ced

Aliases

arxiv: 0904.3502 · arxiv_version: 0904.3502v1 · doi: 10.48550/arxiv.0904.3502 · pith_short_12: WCVLR6QPMDUJ · pith_short_16: WCVLR6QPMDUJC3XT · pith_short_8: WCVLR6QP

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/WCVLR6QPMDUJC3XTGDZWD3GZRR \
  | 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: b0aab8fa0f60e8916ef330f361ecd98c59ff5f182ffd5a5bdcdf05aa466b7ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94b1c0aa6fee3a9bb1e29203bd6de4e1b47561d8c4587c21f1391fae990944fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-04-22T17:01:28Z",
    "title_canon_sha256": "78b214d18903e49f97c6052fc6b02d0977720a0444a8261d6f8593536f1be0e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3502",
    "kind": "arxiv",
    "version": 1
  }
}