Pith Number

pith:R7WU2HP5

pith:2018:R7WU2HP5ENINKA4T4YUPIIVLLX

not attested not anchored not stored refs pending

RFI subspace smearing and projection for array radio telescopes

Gregory Hellbourg

arxiv:1809.03620 v1 · 2018-09-10 · eess.SP · 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{R7WU2HP5ENINKA4T4YUPIIVLLX}

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	2026-05-18T00:06:00.302137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fed4d1dfd2350d50393e628f422ab5de293110b55406aa4dd7f9db9a74f16e9

Aliases

arxiv: 1809.03620 · arxiv_version: 1809.03620v1 · doi: 10.48550/arxiv.1809.03620 · pith_short_12: R7WU2HP5ENIN · pith_short_16: R7WU2HP5ENINKA4T · pith_short_8: R7WU2HP5

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/R7WU2HP5ENINKA4T4YUPIIVLLX \
  | 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: 8fed4d1dfd2350d50393e628f422ab5de293110b55406aa4dd7f9db9a74f16e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d2b636a219a998177a3a30962db4d16ecb590c565ab7880138ec84beac1939",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-09-10T22:40:09Z",
    "title_canon_sha256": "abd5f8803a7f3a95f0d807968dd0a4cf98713371e17184b1aa81260fe705af86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03620",
    "kind": "arxiv",
    "version": 1
  }
}