Pith Number

pith:7BTLR6NF

pith:2019:7BTLR6NFBXISAP476TLQM72LEH

not attested not anchored not stored refs pending

Primary beam effects of radio astronomy antennas: I. Modelling the Karl G. Jansky Very Large Array (VLA) L-band beam using holography

J. N. Girard, K. Iheanetu, K. M. B. Asad, K. Thorat, M. de Villiers, O. Smirnov, R. A. Perley, S. Makhathini

arxiv:1903.02486 v1 · 2019-03-06 · 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{7BTLR6NFBXISAP476TLQM72LEH}

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	2026-05-17T23:50:55.263711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f866b8f9a50dd1203f9ff4d7067f4b21d979a7f0f6c8dc6490e92f5950e187d4

Aliases

arxiv: 1903.02486 · arxiv_version: 1903.02486v1 · doi: 10.48550/arxiv.1903.02486 · pith_short_12: 7BTLR6NFBXIS · pith_short_16: 7BTLR6NFBXISAP47 · pith_short_8: 7BTLR6NF

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/7BTLR6NFBXISAP476TLQM72LEH \
  | 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: f866b8f9a50dd1203f9ff4d7067f4b21d979a7f0f6c8dc6490e92f5950e187d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c2951e569b3264ffe58018b19491f63554ebee143aad635c8652161ccecd27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-06T16:47:33Z",
    "title_canon_sha256": "8c1c88a6a1d45f3c9d1ea9b00b23cb2b13af0c14314fe32e3bc1905bd0648ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02486",
    "kind": "arxiv",
    "version": 1
  }
}