Pith Number

pith:G65K6CE4

pith:2013:G65K6CE4DT2YZEUZ55KYS4ATXT

not attested not anchored not stored refs pending

Revisiting the spread spectrum effect in radio interferometric imaging: a sparse variant of the w-projection algorithm

F. B. Abdalla, J. D. McEwen, L. Wolz, R. E. Carrillo, Y. Wiaux

arxiv:1307.3424 v2 · 2013-07-12 · 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{G65K6CE4DT2YZEUZ55KYS4ATXT}

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	2026-05-18T03:06:13.104336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37baaf089c1cf58c9299ef55897013bcfa08cfe6f0cb2ccdf25df7effaf3ec7a

Aliases

arxiv: 1307.3424 · arxiv_version: 1307.3424v2 · doi: 10.48550/arxiv.1307.3424 · pith_short_12: G65K6CE4DT2Y · pith_short_16: G65K6CE4DT2YZEUZ · pith_short_8: G65K6CE4

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/G65K6CE4DT2YZEUZ55KYS4ATXT \
  | 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: 37baaf089c1cf58c9299ef55897013bcfa08cfe6f0cb2ccdf25df7effaf3ec7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37115c1a6e7ece3aaa8f5f6b072cca3bbb462aa353211e04aeff136308af7b71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-07-12T11:56:46Z",
    "title_canon_sha256": "1050f304e6c7422812f86f3e2bc0686217a7dccb6412c4466cc96cffcac13795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3424",
    "kind": "arxiv",
    "version": 2
  }
}