Pith Number

pith:7YOWM3HS

pith:2013:7YOWM3HSICD4QZJ2OIFPCZX4BD

not attested not anchored not stored refs pending

Direct deconvolution of radio synthesis images using L1 minimisation

Stephen J. Hardy

arxiv:1310.2078 v1 · 2013-10-08 · 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{7YOWM3HSICD4QZJ2OIFPCZX4BD}

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	2026-05-18T03:10:59.467233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe1d666cf24087c8653a720af166fc08cacbc1d540fb1a0071e69a3240cd5ac3

Aliases

arxiv: 1310.2078 · arxiv_version: 1310.2078v1 · doi: 10.48550/arxiv.1310.2078 · pith_short_12: 7YOWM3HSICD4 · pith_short_16: 7YOWM3HSICD4QZJ2 · pith_short_8: 7YOWM3HS

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/7YOWM3HSICD4QZJ2OIFPCZX4BD \
  | 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: fe1d666cf24087c8653a720af166fc08cacbc1d540fb1a0071e69a3240cd5ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "103929e5c23e1332b3eb1e10e9526991c0853f43304f552f63ab52f9b3f92283",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-10-08T10:29:50Z",
    "title_canon_sha256": "9ea452965d301d2b5c3bfc41f7ac04cdedaf397e9c1097890652dc5a3a65efd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2078",
    "kind": "arxiv",
    "version": 1
  }
}