Pith Number

pith:KLZNVJQA

pith:2021:KLZNVJQAZBA2FX4NJCET37GHFX

not attested not anchored not stored refs pending

SETI strategy with FAST fractality

Tong-Jie Zhang, Wen-Fei Liu, Yi-Xuan Chen, Zhi-Song Zhang

arxiv:2104.07334 v2 · 2021-04-15 · 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{KLZNVJQAZBA2FX4NJCET37GHFX}

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	2026-07-05T02:57:52.989275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52f2daa600c841a2df8d48893dfcc72dc02347a6480207d75e65870d329274b6

Aliases

arxiv: 2104.07334 · arxiv_version: 2104.07334v2 · doi: 10.48550/arxiv.2104.07334 · pith_short_12: KLZNVJQAZBA2 · pith_short_16: KLZNVJQAZBA2FX4N · pith_short_8: KLZNVJQA

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/KLZNVJQAZBA2FX4NJCET37GHFX \
  | 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: 52f2daa600c841a2df8d48893dfcc72dc02347a6480207d75e65870d329274b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b98d1aa3a5130ef8a029da2508cef6b49aebe6a17876f5b9b8e38822a6d9436b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-04-15T09:43:43Z",
    "title_canon_sha256": "5cd812ac887521747307a12ed431d783400672f2392ec75bb8e9e58a6d96dfc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07334",
    "kind": "arxiv",
    "version": 2
  }
}