Pith Number

pith:JEMWR6N4

pith:2026:JEMWR6N45MJZWFD3FAWKDDNE6Y

not attested not anchored not stored refs pending

Searching in HI for Massive Low Surface Brightness Galaxies: II. Completing the UGC Sample

Karen O'Neil, Stephan Schneider, Wim van Driel

arxiv:2607.28180 v1 · 2026-07-30 · 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{JEMWR6N45MJZWFD3FAWKDDNE6Y}

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	2026-07-31T01:36:21.141888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

491968f9bceb139b147b282ca18da4f61504c2a64371858b8e1799db257bb183

Aliases

arxiv: 2607.28180 · arxiv_version: 2607.28180v1 · doi: 10.48550/arxiv.2607.28180 · pith_short_12: JEMWR6N45MJZ · pith_short_16: JEMWR6N45MJZWFD3 · pith_short_8: JEMWR6N4

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/JEMWR6N45MJZWFD3FAWKDDNE6Y \
  | 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: 491968f9bceb139b147b282ca18da4f61504c2a64371858b8e1799db257bb183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63997b7a89926f79e79363f83b709cf0d8eb2fcee9a6b2695ad4dd71b960e436",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-30T13:17:33Z",
    "title_canon_sha256": "e622ec736263a1e21e8ab80fab85c4b61d299b3ec680b77cea4ea384ac139564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28180",
    "kind": "arxiv",
    "version": 1
  }
}