pith. sign in
Pith Number

pith:VVCQPGAT

pith:2011:VVCQPGATM7IKUGIB6XIL453MWZ
not attested not anchored not stored refs pending

Very Large Array monitoring of 1720 MHz OH masers toward the Galactic Center

L.O. Sjouwerman, R.A. Mesler, Y.M. Pihlstr\"om

arxiv:1107.4341 v1 · 2011-07-21 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VVCQPGATM7IKUGIB6XIL453MWZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T02:01:11.839239Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ad4507981367d0aa1901f5d0be776cb66cdec30a7447b297d32ee112f878de87

Aliases

arxiv: 1107.4341 · arxiv_version: 1107.4341v1 · doi: 10.48550/arxiv.1107.4341 · pith_short_12: VVCQPGATM7IK · pith_short_16: VVCQPGATM7IKUGIB · pith_short_8: VVCQPGAT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VVCQPGATM7IKUGIB6XIL453MWZ \
  | 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: ad4507981367d0aa1901f5d0be776cb66cdec30a7447b297d32ee112f878de87
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cbae178ab4e4d49daf625aaaf0082aa57e242f10569fca799457d7691e5fdb98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-07-21T18:49:00Z",
    "title_canon_sha256": "4d6ddca9fa882af142aad2a66bb43e6b823d2eed8b067f62bb430b2cf12aed24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4341",
    "kind": "arxiv",
    "version": 1
  }
}