Pith Number

pith:3Y2CRTH7

pith:2012:3Y2CRTH7ZLKCLCLCZLVYVYRYZ2

not attested not anchored not stored refs pending

The Type II Supernova Rate in z~0.1 Galaxy Clusters from the Multi-Epoch Nearby Cluster Survey

C. J. Bildfell, C. J. Pritchet, D. J. Sand, D. W. Just, D. Zaritsky, H. Hoekstra, M. L. Graham, R. J. Foley, S. Herbert-Fort, S. Sivanandam

arxiv:1205.0015 v1 · 2012-04-30 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Y2CRTH7ZLKCLCLCZLVYVYRYZ2}

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	2026-05-18T01:57:42.140660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de3428ccffcad4258962caeb8ae238ceb88e335ddb4557312039ca3f979cf31e

Aliases

arxiv: 1205.0015 · arxiv_version: 1205.0015v1 · doi: 10.48550/arxiv.1205.0015 · pith_short_12: 3Y2CRTH7ZLKC · pith_short_16: 3Y2CRTH7ZLKCLCLC · pith_short_8: 3Y2CRTH7

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/3Y2CRTH7ZLKCLCLCZLVYVYRYZ2 \
  | 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: de3428ccffcad4258962caeb8ae238ceb88e335ddb4557312039ca3f979cf31e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c104f9482dbb1916c4e6a29651bd1148fd20e8901a7964d989980d184ed41e50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-30T20:00:24Z",
    "title_canon_sha256": "689f5cc343d59305962bf29f593fd5ad907f593a4738fe3a079f9a2d15af9088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0015",
    "kind": "arxiv",
    "version": 1
  }
}