Pith Number

pith:W7KH3NJQ

pith:2026:W7KH3NJQAX4HWQ4DBKCCMYCRO6

not attested not anchored not stored refs pending

Overview of the Canadian Hydrogen Observatory and Radio Transient Detector (CHORD) Project

Aditya Krishna Karigiri Madhusudhan, Adrian Liu, Akanksha Bij, Alex S. Hill, Andrea Possenti, Andre Renard, Aniket Prasad, Arnab Chakraborty, Calvin Leung, Dallas Wulf, Daniele Michilli, Duncan Cameron-Steinke, Dustin Lang, Emmanuel Fonseca, Erik Schnetter, Evan Davies-Velie, Gianni Bernardi, Gordon Lacy, Hsin Cynthia Chiang, Ian Hendricksen, James Mertens, Jason Hessels, Jean-Francois Cliche, Jessie Lin, Jonathan Sievers, Juan Mena-Parra, Keith Vanderlinde, Kendrick Smith, Kenzie Nimmo, Kiyoshi W. Masui, Kristine Spekkens, Leonid Belostotski, Lindsay Berkhout, Martin Topinka, Matt Dobbs, Matteo Trudu, Maura Pilia, Mawson Sammons, Michael Jafs, Mohammad Islam, Paul Scholz, Qwin Goodwin, Robert Pascua, Seth Siegel, Shronim Tiwari, Simon Foreman, Sophia Da Costa, Sophia D'Agostino Rubens, The CHORD Collaboration: Kevin Bandura, Vincent MacKay, Yifan Zhao

arxiv:2607.09374 v1 · 2026-07-10 · 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{W7KH3NJQAX4HWQ4DBKCCMYCRO6}

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	2026-07-13T01:19:07.822431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d47db53005f87b43830a8426605177a9d9ab481e27b9fe39d1df43a063ec74

Aliases

arxiv: 2607.09374 · arxiv_version: 2607.09374v1 · doi: 10.48550/arxiv.2607.09374 · pith_short_12: W7KH3NJQAX4H · pith_short_16: W7KH3NJQAX4HWQ4D · pith_short_8: W7KH3NJQ

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/W7KH3NJQAX4HWQ4DBKCCMYCRO6 \
  | 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: b7d47db53005f87b43830a8426605177a9d9ab481e27b9fe39d1df43a063ec74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1b5dd0b95eb86789c3348d67612752a3687b4bc483879f9dccd26c0d22da75",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-10T12:55:43Z",
    "title_canon_sha256": "5586c1162ba5d04d4aa751e0bbab3e52675528c7784de2d89943e8388236a579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09374",
    "kind": "arxiv",
    "version": 1
  }
}