Pith Number

pith:DNU2VMJG

pith:2009:DNU2VMJGM2QHPAGEMUSC4W7JGV

not attested not anchored not stored refs pending

IR Dust Bubbles II: Probing the Detailed Structure and Young Massive Stellar Populations of Galactic HII Regions

B.A. Whitney, B.L. Babler, C. Watson, E.B. Churchwell, M.R. Meade, M.S. Povich, T. Corn

arxiv:0901.1097 v1 · 2009-01-08 · 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{DNU2VMJGM2QHPAGEMUSC4W7JGV}

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	2026-05-18T04:29:24.048214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b69aab12666a07780c465242e5be9355f36c3cba6563072e38bf0683942c634

Aliases

arxiv: 0901.1097 · arxiv_version: 0901.1097v1 · doi: 10.48550/arxiv.0901.1097 · pith_short_12: DNU2VMJGM2QH · pith_short_16: DNU2VMJGM2QHPAGE · pith_short_8: DNU2VMJG

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/DNU2VMJGM2QHPAGEMUSC4W7JGV \
  | 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: 1b69aab12666a07780c465242e5be9355f36c3cba6563072e38bf0683942c634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bd31e14dbd165b6a90f3978244f1b51627039234b93eea19d6d4d3b7a47208a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-08T17:35:05Z",
    "title_canon_sha256": "60aa398752ae975719dec4773a7076a45144ca19a65be80426c5c6861abe20db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1097",
    "kind": "arxiv",
    "version": 1
  }
}