Pith Number

pith:O6LM5EDC

pith:2020:O6LM5EDCRPIBUXMNIFTDE44S7Q

not attested not anchored not stored refs pending

Opportunities to Search for Extra-Terrestrial Intelligence with the Five-hundred-meter Aperture Spherical radio Telescope

Andrew Siemion, Brian Lacki, Bryan Brzycki, Chengjin Jin, Chenhui Niu, Daniel Czech, Danny C. Price, Dan Werthimer, David DeBoer, David H. E. MacMahon, Di Li, Eric J. Korpela, FAST Collaboration, Haiyan Zhang, Howard Isaacson, Jamie Drew, Jeff Cobb, J. Emilio Enriquez, Julia DeMarines, Matthew Lebofsky, Morgan Nanez, Nectaria Gizani, Pei Wang, Pete Worden, Sabrina Berger, Shiyu Li, Steve Croft, Tong-Jie Zhang, Vishal Gajjar, Xin Pei, Yan Zhu, Youling Yue, Yunfan Gerry Zhang, Zhisong Zhang

arxiv:2003.09639 v2 · 2020-03-21 · 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{O6LM5EDCRPIBUXMNIFTDE44S7Q}

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	2026-07-05T00:50:17.606957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7796ce90628bd01a5d8d4166327392fc334de898ae8b04247fb7965dd2ff776c

Aliases

arxiv: 2003.09639 · arxiv_version: 2003.09639v2 · doi: 10.48550/arxiv.2003.09639 · pith_short_12: O6LM5EDCRPIB · pith_short_16: O6LM5EDCRPIBUXMN · pith_short_8: O6LM5EDC

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/O6LM5EDCRPIBUXMNIFTDE44S7Q \
  | 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: 7796ce90628bd01a5d8d4166327392fc334de898ae8b04247fb7965dd2ff776c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ecb143d5cdca5001ced7d306108513b7a7e255787d33954825dac017f59aa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-03-21T12:00:19Z",
    "title_canon_sha256": "64fe5d7aad64e0dd621c27ad33f508a8ac7b0d26a864d387a3aaf41e4114a1ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09639",
    "kind": "arxiv",
    "version": 2
  }
}