Pith Number

pith:WGHCBIM5

pith:2022:WGHCBIM5T7ZLEIG23KPX6ZIVJI

not attested not anchored not stored refs pending

Ultra-Diffuse Galaxies as Extreme Star-forming Environments I: Mapping Star Formation in HI-Rich UDGs

Andy Goulding, Erin Kado-Fong, Jenny E. Greene, Song Huang

arxiv:2209.05492 v2 · 2022-09-12 · 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{WGHCBIM5T7ZLEIG23KPX6ZIVJI}

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	2026-07-05T05:24:41.645770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b18e20a19d9ff2b220dada9f7f65154a068d9a2dcd59c4826d5caf1c952dce81

Aliases

arxiv: 2209.05492 · arxiv_version: 2209.05492v2 · doi: 10.48550/arxiv.2209.05492 · pith_short_12: WGHCBIM5T7ZL · pith_short_16: WGHCBIM5T7ZLEIG2 · pith_short_8: WGHCBIM5

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/WGHCBIM5T7ZLEIG23KPX6ZIVJI \
  | 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: b18e20a19d9ff2b220dada9f7f65154a068d9a2dcd59c4826d5caf1c952dce81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f513a04f8de309470d7dfc7c6bc3146f7aeef48e2acd5f081b676ee92c7b036b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-09-12T18:00:00Z",
    "title_canon_sha256": "d3601aa866fad44f0f3b06752893a9286f8bc1ba31c37f5f05cc0da316dea04b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.05492",
    "kind": "arxiv",
    "version": 2
  }
}