Pith Number

pith:CUNUX57U

pith:2017:CUNUX57UVUFI4TDIHKHM5R5TYP

not attested not anchored not stored refs pending

Astronomical verification of a stabilized frequency reference transfer system for the Square Kilometre Array

Brett Lennon, David Gozzard, Jamie Stevens, Jock McFee, Keith Grainge, Maria Rioja, Mike Hill, Peter Mirtschin, Richard Dodson, Sascha Schediwy

arxiv:1704.08804 v1 · 2017-04-28 · astro-ph.IM · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUNUX57UVUFI4TDIHKHM5R5TYP}

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	2026-05-18T00:42:12.093087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151b4bf7f4ad0a8e4c683a8ecec7b3c3c8e7291b881e242404615b7e0d1a34d1

Aliases

arxiv: 1704.08804 · arxiv_version: 1704.08804v1 · doi: 10.48550/arxiv.1704.08804 · pith_short_12: CUNUX57UVUFI · pith_short_16: CUNUX57UVUFI4TDI · pith_short_8: CUNUX57U

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/CUNUX57UVUFI4TDIHKHM5R5TYP \
  | 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: 151b4bf7f4ad0a8e4c683a8ecec7b3c3c8e7291b881e242404615b7e0d1a34d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83996e8c2efd10ea0f479dd297f014f051c70f0259eb8a1adb7dbee358339a1a",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-04-28T04:12:58Z",
    "title_canon_sha256": "7e0eb99863a08b1d17f5d4cb0482645d5daf2f5d0c4d81ffc6f107c6ce2c0df5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08804",
    "kind": "arxiv",
    "version": 1
  }
}