Pith Number

pith:QVS34UA7

pith:2022:QVS34UA7KT6CZX5VX6P4YQLB4B

not attested not anchored not stored refs pending

A Beacon in the Galaxy: Updated Arecibo Message for Potential FAST and SETI Projects

Hanjie Li, Jamilah Hah, Jonathan H. Jiang, Kristen A. Fahy, Matthew Chong, Philip E. Rosen, Qitian Jin, Stuart F. Taylor, Xiaoming Jiang, Zhihui Kong, Zong-Hong Zhu

arxiv:2203.04288 v3 · 2022-03-04 · physics.pop-ph · astro-ph.EP · 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{QVS34UA7KT6CZX5VX6P4YQLB4B}

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	2026-07-05T04:10:53.663888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8565be501f54fc2cdfb5bf9fcc4161e079d2df6b87b6699316929c494dc034fc

Aliases

arxiv: 2203.04288 · arxiv_version: 2203.04288v3 · doi: 10.48550/arxiv.2203.04288 · pith_short_12: QVS34UA7KT6C · pith_short_16: QVS34UA7KT6CZX5V · pith_short_8: QVS34UA7

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/QVS34UA7KT6CZX5VX6P4YQLB4B \
  | 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: 8565be501f54fc2cdfb5bf9fcc4161e079d2df6b87b6699316929c494dc034fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d18f4ca85bdae527559e05e316ae777308519be166f5f3f2537a8cacc84604",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2022-03-04T20:29:51Z",
    "title_canon_sha256": "3aa542a84ea1d32f2d6ae6f04637d19000618b9c478ba4659933494e1b8b4157"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.04288",
    "kind": "arxiv",
    "version": 3
  }
}