Pith Number

pith:AYFJV5RU

pith:2020:AYFJV5RUBYGNJ5BKERFVRQGLO7

not attested not anchored not stored refs pending

First SETI Observations with China's Five-hundred-meter Aperture Spherical radio Telescope (FAST)

Cheng-jin Jin, Dan Werthimer, David Anderson, Di Li, Eric Korpela, Hai-Yan Zhang, Jeff Cobb, Li-Chun Zhu, Pei Wang, Ran Duan, Ryan Lee, Shi-Jie Huang, Shi-Yu Li, Tong-Jie Zhang, Vishal Gajjar, Xin Pei, Xin-Xin Zhang, Yan Zhu, Zhi-Song Zhang

arxiv:2002.02130 v2 · 2020-02-06 · 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{AYFJV5RUBYGNJ5BKERFVRQGLO7}

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	2026-07-05T00:50:27.925800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

060a9af6340e0cd4f42a244b58c0cb77c889aa4136fecbe8d0080f8338abb71a

Aliases

arxiv: 2002.02130 · arxiv_version: 2002.02130v2 · doi: 10.48550/arxiv.2002.02130 · pith_short_12: AYFJV5RUBYGN · pith_short_16: AYFJV5RUBYGNJ5BK · pith_short_8: AYFJV5RU

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/AYFJV5RUBYGNJ5BKERFVRQGLO7 \
  | 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: 060a9af6340e0cd4f42a244b58c0cb77c889aa4136fecbe8d0080f8338abb71a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef3093cf0187a3751332f07ab89c042fcd030374b844b38e784b34e43e78c133",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-02-06T07:09:58Z",
    "title_canon_sha256": "c60962fae68afcfd38062feabac6e860198a0a807dd42b16df630a950c4979a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.02130",
    "kind": "arxiv",
    "version": 2
  }
}