Pith Number

pith:JRWCMEU2

pith:2026:JRWCMEU2AXSRE4J5QJW52CLKTS

not attested not anchored not stored refs pending

A search for narrowband technosignatures from LTT 3780 with the Allen Telescope Array and the Karl G. Jansky Very Large Array

Alex W. Pollak, Andrew P.V. Siemion, Chenoa D. Tremblay, Daniel Czech, David E. MacMahon, Isabel Gerrard, Matthew Lebofsky, Nikku Madhusudhan, Ross A. Donnachie, Sofia Z. Sheikh, Talon Myburgh, Vishal Gajjar

arxiv:2607.07182 v1 · 2026-07-08 · 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{JRWCMEU2AXSRE4J5QJW52CLKTS}

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	2026-07-09T01:20:16.815448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c6c26129a05e512713d826ddd096a9c8c4aaba5783fca1a85a09355f6444c0d

Aliases

arxiv: 2607.07182 · arxiv_version: 2607.07182v1 · doi: 10.48550/arxiv.2607.07182 · pith_short_12: JRWCMEU2AXSR · pith_short_16: JRWCMEU2AXSRE4J5 · pith_short_8: JRWCMEU2

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/JRWCMEU2AXSRE4J5QJW52CLKTS \
  | 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: 4c6c26129a05e512713d826ddd096a9c8c4aaba5783fca1a85a09355f6444c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0386735290908e34ddab2ccf3147672d8ee6638503f9da994130eb056794e5f3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-08T09:15:28Z",
    "title_canon_sha256": "cc83fcacdb962d886da8af41f381726c6226428f85ac2024ee9bb833fcbd4de9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07182",
    "kind": "arxiv",
    "version": 1
  }
}