Pith Number

pith:DHZ4LFKN

pith:2017:DHZ4LFKNLC4UUK47IDLN76LGGU

not attested not anchored not stored refs pending

The Pointing Self Calibration algorithm for aperture synthesis radio telescopes

S. Bhatnagar, T. J. Cornwell

arxiv:1709.08681 v1 · 2017-09-25 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHZ4LFKNLC4UUK47IDLN76LGGU}

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	2026-05-18T00:31:39.681841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f3c5954d58b94a2b9f40d6dff966352ed77842931b9b91deb782ec629b915a

Aliases

arxiv: 1709.08681 · arxiv_version: 1709.08681v1 · doi: 10.48550/arxiv.1709.08681 · pith_short_12: DHZ4LFKNLC4U · pith_short_16: DHZ4LFKNLC4UUK47 · pith_short_8: DHZ4LFKN

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/DHZ4LFKNLC4UUK47IDLN76LGGU \
  | 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: 19f3c5954d58b94a2b9f40d6dff966352ed77842931b9b91deb782ec629b915a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bebf6469325db7421a162706649514985cd0fa58c6421e728901eb8f248dac9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-09-25T19:06:05Z",
    "title_canon_sha256": "e9ee604bf3e34876817e4f23975f230323d89e92cdc69c30ae605dd8b5cb0237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08681",
    "kind": "arxiv",
    "version": 1
  }
}