pith. sign in
Pith Number

pith:43WX2NKM

pith:2018:43WX2NKMIWPJH2M5SJFOTXIGPY
not attested not anchored not stored refs pending

New detections of (sub)millimeter hydrogen radio recombination lines towards high-mass star-forming clumps

F. Wyrowski, J. S. Urquhart, K. M. Menten, T. Csengeri, W.-J. Kim

arxiv:1804.06999 v1 · 2018-04-19 · astro-ph.GA · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{43WX2NKMIWPJH2M5SJFOTXIGPY}

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 2026-05-18T00:07:00.130893Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e6ed7d354c459e93e99d924ae9dd067e29fcc9e523bf1db8b46a2a7df932fd14

Aliases

arxiv: 1804.06999 · arxiv_version: 1804.06999v1 · doi: 10.48550/arxiv.1804.06999 · pith_short_12: 43WX2NKMIWPJ · pith_short_16: 43WX2NKMIWPJH2M5 · pith_short_8: 43WX2NKM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/43WX2NKMIWPJH2M5SJFOTXIGPY \
  | 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: e6ed7d354c459e93e99d924ae9dd067e29fcc9e523bf1db8b46a2a7df932fd14
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bea7478336d5b67ca2f613db6dc83293efc40a5752f51a0242d4178279cf16b6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-19T05:25:32Z",
    "title_canon_sha256": "d57dd8087976873caaa195ce21cb339de4140065017bc2d6be0e8eeeb95480e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06999",
    "kind": "arxiv",
    "version": 1
  }
}