Pith Number

pith:UVBM2UZM

pith:2018:UVBM2UZM76UBNOC277TUPAH3L5

not attested not anchored not stored refs pending

The rate of Type-Ia supernovae in galaxy clusters and the delay-time distribution out to redshift 1.75

Dan Maoz, Matan Friedmann

arxiv:1803.04421 v3 · 2018-03-12 · 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{UVBM2UZM76UBNOC277TUPAH3L5}

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	2026-05-18T00:11:05.823906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a542cd532cffa816b85affe74780fb5f788e2509dd8e721886659adca314da2f

Aliases

arxiv: 1803.04421 · arxiv_version: 1803.04421v3 · doi: 10.48550/arxiv.1803.04421 · pith_short_12: UVBM2UZM76UB · pith_short_16: UVBM2UZM76UBNOC2 · pith_short_8: UVBM2UZM

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/UVBM2UZM76UBNOC277TUPAH3L5 \
  | 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: a542cd532cffa816b85affe74780fb5f788e2509dd8e721886659adca314da2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f7d834234d74b85091d1b4f1c9200a2a80256e0d8f01fe52071d087b80555e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-12T18:00:02Z",
    "title_canon_sha256": "64c34cbe1de86ff0828131813f817286bf65e3c62c90e795a8e9850bcc0d6044"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04421",
    "kind": "arxiv",
    "version": 3
  }
}