pith. sign in
Pith Number

pith:LY2S6PBN

pith:2010:LY2S6PBN32PKLZRLL6ZJ2YZDD4
not attested not anchored not stored refs pending

A Cluster of Compact Radio Sources in W40

Bo Reipurth, Luis F. Rodr\'iguez, Steven A. Rodney

arxiv:1007.4974 v1 · 2010-07-28 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LY2S6PBN32PKLZRLL6ZJ2YZDD4}

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 2026-05-18T02:06:01.699886Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5e352f3c2dde9ea5e62b5fb29d63231f2b5c6f46c10a8da17f46392e37b12a8a

Aliases

arxiv: 1007.4974 · arxiv_version: 1007.4974v1 · doi: 10.48550/arxiv.1007.4974 · pith_short_12: LY2S6PBN32PK · pith_short_16: LY2S6PBN32PKLZRL · pith_short_8: LY2S6PBN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LY2S6PBN32PKLZRLL6ZJ2YZDD4 \
  | 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: 5e352f3c2dde9ea5e62b5fb29d63231f2b5c6f46c10a8da17f46392e37b12a8a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "581d6e432b1acc6388e81cfe6cc00dd9f990993979cba24e16611a45abe045c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-07-28T13:50:03Z",
    "title_canon_sha256": "d2dd100436335731e098cc642fde577b1e11ecdb62f0b80e721b2b4b66eab39c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4974",
    "kind": "arxiv",
    "version": 1
  }
}