Pith Number

pith:JUFCR3XJ

pith:2023:JUFCR3XJLNM7WRXDH3X6PPGN4H

not attested not anchored not stored refs pending

A Search for Extraterrestrial Technosignatures in Archival FAST Survey Data Using a New Procedure

Cheqiu Lyu, Dan Werthimer, Tingting Zhang, Tong-Jie Zhang, Yu-Chen Wang, Zhen-Zhao Tao, Zhi-Song Zhang

arxiv:2305.16356 v2 · 2023-05-25 · astro-ph.IM · physics.pop-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{JUFCR3XJLNM7WRXDH3X6PPGN4H}

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	2026-07-05T06:42:05.983529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d0a28eee95b59fb46e33eefe7bccde1e9c5b9ae6ead27af2213dcc7df362b55

Aliases

arxiv: 2305.16356 · arxiv_version: 2305.16356v2 · doi: 10.48550/arxiv.2305.16356 · pith_short_12: JUFCR3XJLNM7 · pith_short_16: JUFCR3XJLNM7WRXD · pith_short_8: JUFCR3XJ

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/JUFCR3XJLNM7WRXDH3X6PPGN4H \
  | 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: 4d0a28eee95b59fb46e33eefe7bccde1e9c5b9ae6ead27af2213dcc7df362b55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb56f66436869c36c1ef242d981502f6b1f1d69cad1a3c6d2a0d0816b9472def",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-05-25T05:32:17Z",
    "title_canon_sha256": "8dcb10e9a99ebfd1c3fa8dfd64062c10cc35dde20cdb306f534fc9e74cfc1b20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.16356",
    "kind": "arxiv",
    "version": 2
  }
}