Pith Number

pith:NP6VYVGR

pith:2013:NP6VYVGRJ4VODIDOIAH56LBF2Q

not attested not anchored not stored refs pending

Array Antenna Limitations

B. L. G. Jonsson, C. I. Kolitsidas, N. Hussain

arxiv:1307.2925 v3 · 2013-07-10 · physics.class-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NP6VYVGRJ4VODIDOIAH56LBF2Q}

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	2026-05-18T01:48:52.009158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bfd5c54d14f2ae1a06e400fdf2c25d42ed69215b221dac6ab7492540ba31ad1

Aliases

arxiv: 1307.2925 · arxiv_version: 1307.2925v3 · doi: 10.48550/arxiv.1307.2925 · pith_short_12: NP6VYVGRJ4VO · pith_short_16: NP6VYVGRJ4VODIDO · pith_short_8: NP6VYVGR

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/NP6VYVGRJ4VODIDOIAH56LBF2Q \
  | 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: 6bfd5c54d14f2ae1a06e400fdf2c25d42ed69215b221dac6ab7492540ba31ad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8392d2c7382b4b9ea369df2c239b25f3d0c650084b855b485fe8cfa6d64ba4ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-07-10T21:27:37Z",
    "title_canon_sha256": "e09643d8b9b813c1a7c638c17b44baf540082ccbbfc8c314563cf2588295a6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2925",
    "kind": "arxiv",
    "version": 3
  }
}