Pith Number

pith:2L234NR2

pith:2012:2L234NR2XHBG5OUHJBX4O6GXL4

not attested not anchored not stored refs pending

Sparsity Averaging Reweighted Analysis (SARA): a novel algorithm for radio-interferometric imaging

J. D. McEwen, R. E. Carrillo, Y. Wiaux

arxiv:1205.3123 v3 · 2012-05-14 · 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{2L234NR2XHBG5OUHJBX4O6GXL4}

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	2026-05-18T03:43:28.427100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2f5be363ab9c26eba87486fc778d75f215b069e6c420d398a50366a232fca96

Aliases

arxiv: 1205.3123 · arxiv_version: 1205.3123v3 · doi: 10.48550/arxiv.1205.3123 · pith_short_12: 2L234NR2XHBG · pith_short_16: 2L234NR2XHBG5OUH · pith_short_8: 2L234NR2

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/2L234NR2XHBG5OUHJBX4O6GXL4 \
  | 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: d2f5be363ab9c26eba87486fc778d75f215b069e6c420d398a50366a232fca96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf4669ac45c2ff886ceb247da21799b560cdf4aa488cae7d2e5ba27b404d9b37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-05-14T17:59:42Z",
    "title_canon_sha256": "d8327b630838319750fe056ebf1ed4ffb4520a9073becc431d22e2fb819105e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3123",
    "kind": "arxiv",
    "version": 3
  }
}