Pith Number

pith:CFZICCOM

pith:2022:CFZICCOMS2WSFBWPHSCUUWCAKA

not attested not anchored not stored refs pending

Discovery of a damped Ly$\alpha$ absorber originating in a spectacular interacting dwarf galaxy pair at $z = 0.026$

Claude-Andr\'e Faucher-Gigu\`ere, Emmanuel Momjian, Erin Boettcher, Fakhri S. Zahedy, Fran\c{c}oise Combes, Gregory L. Walth, Gwen C. Rudie, Gyula I. G. J\'ozsa, Hsiao-Wen Chen, Jens-Kristian Krogager, Kathy L. Cooksey, Mandy C. Chen, Marc Rafelski, Neeraj Gupta, Pasquier Noterdaeme, Patrick Petitjean, Raghunathan Srianand, S. A. Balashev, Sean D. Johnson, Sebastian Lopez, Sebastiano Cantalupo

arxiv:2202.04669 v1 · 2022-02-09 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFZICCOMS2WSFBWPHSCUUWCAKA}

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	2026-07-05T04:01:10.370539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11728109cc96ad2286cf3c854a5840502df390ad43ad32999bf033105e0c5ded

Aliases

arxiv: 2202.04669 · arxiv_version: 2202.04669v1 · doi: 10.48550/arxiv.2202.04669 · pith_short_12: CFZICCOMS2WS · pith_short_16: CFZICCOMS2WSFBWP · pith_short_8: CFZICCOM

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/CFZICCOMS2WSFBWPHSCUUWCAKA \
  | 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: 11728109cc96ad2286cf3c854a5840502df390ad43ad32999bf033105e0c5ded

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a2b3d8b626b6434305d38be8970af5d66962c626535d944976fb97b4bcfc32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-02-09T19:00:04Z",
    "title_canon_sha256": "00f67b936103743ac20941a7cf4d317a7add8c682e2dee6b8130d7f0d8585f72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.04669",
    "kind": "arxiv",
    "version": 1
  }
}