Pith Number

pith:3EBB3PV6

pith:2015:3EBB3PV6VT2KKIVOOSKR3GAO25

not attested not anchored not stored refs pending

Radio Astronomical Image Formation using Constrained Least Squares and Krylov Subspaces

Ahmad Mouri Sardarabadi, Alle-Jan van der Veen, Amir Leshem

arxiv:1505.01348 v1 · 2015-05-06 · 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{3EBB3PV6VT2KKIVOOSKR3GAO25}

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	2026-05-18T01:18:33.798380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9021dbebeacf4a522ae74951d980ed7491592791495893ccdcf9a1c1a017e5d

Aliases

arxiv: 1505.01348 · arxiv_version: 1505.01348v1 · doi: 10.48550/arxiv.1505.01348 · pith_short_12: 3EBB3PV6VT2K · pith_short_16: 3EBB3PV6VT2KKIVO · pith_short_8: 3EBB3PV6

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/3EBB3PV6VT2KKIVOOSKR3GAO25 \
  | 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: d9021dbebeacf4a522ae74951d980ed7491592791495893ccdcf9a1c1a017e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7789635ecfffd16760c92287d15dd1a52a432c93ee79bffe9b4621fc27ee34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-05-06T12:55:41Z",
    "title_canon_sha256": "d1a7438b3c139f51da24bd771906bbb9e995d73cbec6ff207e65505192e1432a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01348",
    "kind": "arxiv",
    "version": 1
  }
}