pith. sign in
Pith Number

pith:VKP3U663

pith:2007:VKP3U663FH5MG5OOPYWCHDHLP4
not attested not anchored not stored refs pending

W51 IRS 2: A Massive Jet Emerging from a Molecular Cloud into an H II Region

D. M. Mehringer, D. T. Jaffe, J. H. Lacy, K. Volk, M. A. Bitner, M. J. Richter, Q. Zhu, T. K. Greathouse, T. R. Geballe

arxiv:astro-ph/0702327 v1 · 2007-02-13 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VKP3U663FH5MG5OOPYWCHDHLP4}

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 2026-05-18T04:36:20.334642Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

aa9fba7bdb29fac375ce7e2c238ceb7f09fc85438e8b0355285a92105d084286

Aliases

arxiv: astro-ph/0702327 · arxiv_version: astro-ph/0702327v1 · doi: 10.48550/arxiv.astro-ph/0702327 · pith_short_12: VKP3U663FH5M · pith_short_16: VKP3U663FH5MG5OO · pith_short_8: VKP3U663
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VKP3U663FH5MG5OOPYWCHDHLP4 \
  | 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: aa9fba7bdb29fac375ce7e2c238ceb7f09fc85438e8b0355285a92105d084286
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ce82e702df8f2485c5016c6bcb09ded12a8a8b53dd993d959c3a2c6b45b57587",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-13T20:04:07Z",
    "title_canon_sha256": "672b6fe7321114e0ec9d0789d2aa0a64b6adcd9b25f14b4dd61f6db4debdcfc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702327",
    "kind": "arxiv",
    "version": 1
  }
}