Pith Number

pith:KUQPMEY7

pith:2019:KUQPMEY7BJPBIRKFCEHGIRAND5

not attested not anchored not stored refs pending

Ultra-Diffuse Galaxies at Ultraviolet Wavelengths

Dennis Zaritsky, Kristine Spekkens, Pranjal RS, Richard Donnerstein

arxiv:1904.06262 v1 · 2019-04-12 · 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{KUQPMEY7BJPBIRKFCEHGIRAND5}

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	2026-05-17T23:48:43.727779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5520f6131f0a5e144545110e64440d1f6ca3ba7e1553a0e09375d46a50213821

Aliases

arxiv: 1904.06262 · arxiv_version: 1904.06262v1 · doi: 10.48550/arxiv.1904.06262 · pith_short_12: KUQPMEY7BJPB · pith_short_16: KUQPMEY7BJPBIRKF · pith_short_8: KUQPMEY7

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/KUQPMEY7BJPBIRKFCEHGIRAND5 \
  | 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: 5520f6131f0a5e144545110e64440d1f6ca3ba7e1553a0e09375d46a50213821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01218ba78b1810753531cc22728474fd168bdf0275cb4c1e3ed66d0d7496cdf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-12T15:06:56Z",
    "title_canon_sha256": "1524d1b141e238a6b36e2ad1d2c6a838c16c9707f2690524fee6d539532a020b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06262",
    "kind": "arxiv",
    "version": 1
  }
}