Pith Number

pith:3RBK4VDK

pith:2012:3RBK4VDKV7H5DNUJ3UVQOSL3WL

not attested not anchored not stored refs pending

Post-correlation filtering techniques for off-axis source and RFI removal

A. G. de Bruyn, A. R. Offringa, S. Zaroubi

arxiv:1201.5564 v1 · 2012-01-26 · 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{3RBK4VDKV7H5DNUJ3UVQOSL3WL}

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	2026-05-18T03:59:01.204722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc42ae546aafcfd1b689dd2b07497bb2d688e140833c35e4a2edb7ecaaf7bd77

Aliases

arxiv: 1201.5564 · arxiv_version: 1201.5564v1 · doi: 10.48550/arxiv.1201.5564 · pith_short_12: 3RBK4VDKV7H5 · pith_short_16: 3RBK4VDKV7H5DNUJ · pith_short_8: 3RBK4VDK

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/3RBK4VDKV7H5DNUJ3UVQOSL3WL \
  | 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: dc42ae546aafcfd1b689dd2b07497bb2d688e140833c35e4a2edb7ecaaf7bd77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5aa3098910e6b2fc9bb1f043766f74d9fd75494981afcadeaccb63a268b608a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-01-26T16:02:45Z",
    "title_canon_sha256": "483b57339c6ab7bf5caca302f3ef60368bb3cd2a9f97281b09204dbc73443d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5564",
    "kind": "arxiv",
    "version": 1
  }
}