Pith Number

pith:4BUQZM6E

pith:2013:4BUQZM6EOAUBSBLV74R4ZYWNJB

not attested not anchored not stored refs pending

Beam Patterns of the Five-hundred-metre Aperture Spherical Telescope: Optimisation

B. Dong, J. L. Han (NAOC)

arxiv:1306.5367 v2 · 2013-06-23 · 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{4BUQZM6EOAUBSBLV74R4ZYWNJB}

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	2026-05-18T03:17:11.194423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0690cb3c47028190575ff23cce2cd4842bb6f15aedd3930b26e9046a3a7745e

Aliases

arxiv: 1306.5367 · arxiv_version: 1306.5367v2 · doi: 10.48550/arxiv.1306.5367 · pith_short_12: 4BUQZM6EOAUB · pith_short_16: 4BUQZM6EOAUBSBLV · pith_short_8: 4BUQZM6E

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/4BUQZM6EOAUBSBLV74R4ZYWNJB \
  | 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: e0690cb3c47028190575ff23cce2cd4842bb6f15aedd3930b26e9046a3a7745e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864fb04a7310248e66d2086dadd5fb80e78519200160e41ce362bfb26823181e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-06-23T02:06:32Z",
    "title_canon_sha256": "bb8109b8c80c54398f573df8cf8be40efc59f28e775cf3c8d2667f3be912b5ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5367",
    "kind": "arxiv",
    "version": 2
  }
}