pith. sign in
Pith Number

pith:GCUKRLUR

pith:2018:GCUKRLURXGZHYY6PJM2HG5HSYM
not attested not anchored not stored refs pending

Detecting Infall in High-Mass Protostellar Objects

(2) Harvard-Smithsonian Center for Astrophysics), Maria T. Beltr\'an (1), Qizhou Zhang (2), V\'ictor M. Rivilla (1) ((1) INAF-Osservatorio Astrofisico di Arcetri

arxiv:1806.08143 v1 · 2018-06-21 · astro-ph.SR · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GCUKRLURXGZHYY6PJM2HG5HSYM}

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 2026-05-18T00:12:41.898522Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

30a8a8ae91b9b27c63cf4b347374f2c3253134c2c6c7c3e3fc2598bf97035f6f

Aliases

arxiv: 1806.08143 · arxiv_version: 1806.08143v1 · doi: 10.48550/arxiv.1806.08143 · pith_short_12: GCUKRLURXGZH · pith_short_16: GCUKRLURXGZHYY6P · pith_short_8: GCUKRLUR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GCUKRLURXGZHYY6PJM2HG5HSYM \
  | 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: 30a8a8ae91b9b27c63cf4b347374f2c3253134c2c6c7c3e3fc2598bf97035f6f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5a7ec3c18f76f36e5a35694f82bcf4c034e6a7821a83b33b5b57181105ba4499",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-21T09:51:36Z",
    "title_canon_sha256": "060ece943474f202a2b5f991e75b48017166eb5e734542079ce9c9f56386b668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08143",
    "kind": "arxiv",
    "version": 1
  }
}