Pith Number

pith:W6THJU3B

pith:2018:W6THJU3BAHT366GVHTB27Y6RSM

not attested not anchored not stored refs pending

On optimising cost and value in compute systems for radio astronomy

Henri E. Bal, P. Chris Broekema, Rob V. van Nieuwpoort, Verity L. Allan

arxiv:1806.06606 v3 · 2018-06-18 · 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{W6THJU3BAHT366GVHTB27Y6RSM}

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	2026-07-05T00:16:30.728787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7a674d36101e7bf78d53cc3afe3d19324d0b64902cc42657690039c6bac1ddd

Aliases

arxiv: 1806.06606 · arxiv_version: 1806.06606v3 · doi: 10.48550/arxiv.1806.06606 · pith_short_12: W6THJU3BAHT3 · pith_short_16: W6THJU3BAHT366GV · pith_short_8: W6THJU3B

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/W6THJU3BAHT366GVHTB27Y6RSM \
  | 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: b7a674d36101e7bf78d53cc3afe3d19324d0b64902cc42657690039c6bac1ddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2be37474aad5ae2623e94340e03f312b33753ac41d5fe75de84dc00f362c4587",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-18T11:54:53Z",
    "title_canon_sha256": "43f2a429320898b39a2f9405b9d6f928550094a58bbacb845bd76c9acdceb8d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06606",
    "kind": "arxiv",
    "version": 3
  }
}