Pith Number

pith:2OUFMK3V

pith:2020:2OUFMK3VCJJKNWQL2OH54CDRUF

not attested not anchored not stored refs pending

Searching for Molecular Outflows with Support Vector Machines: Dark Cloud Complex in Cygnus

Dengrong Lu, Ji Yang, Shaobo Zhang, Xin Zhou, Xuepeng Chen, Yang Su, Yan Sun, Ye Xu, Yingjie Li

arxiv:2004.04887 v1 · 2020-04-10 · astro-ph.SR · 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{2OUFMK3VCJJKNWQL2OH54CDRUF}

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	2026-07-05T01:02:15.650819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3a8562b751252a6da0bd38fde0871a17529e33b6f43a80b26cc764b2cb142df

Aliases

arxiv: 2004.04887 · arxiv_version: 2004.04887v1 · doi: 10.48550/arxiv.2004.04887 · pith_short_12: 2OUFMK3VCJJK · pith_short_16: 2OUFMK3VCJJKNWQL · pith_short_8: 2OUFMK3V

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/2OUFMK3VCJJKNWQL2OH54CDRUF \
  | 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: d3a8562b751252a6da0bd38fde0871a17529e33b6f43a80b26cc764b2cb142df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d87ef143b6f80298c7c0b0ca8a323d3a33843f2e3363c4b369f2e28e7ba6b7eb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-04-10T02:50:04Z",
    "title_canon_sha256": "274d81e0ffd70a8f23bff73842cf22c6532e3ee2ca9743ef056251e1b128d1d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04887",
    "kind": "arxiv",
    "version": 1
  }
}