Pith Number

pith:5JP4EJSM

pith:2019:5JP4EJSM3UG7MXPHHG4VI53TB6

not attested not anchored not stored refs pending

The volumetric rate of normal type Ia supernovae in the local universe discovered by the Palomar Transient Factory

C. Frohmaier, D. Poznanski, E. O. Ofek, G. Dimitriadis, J. S. Bloom, K. Maguire, M. M. Kasliwal, M. Smith, M. Sullivan, P. E. Nugent, R. M. Quimby, S. B. Cenko, S. R. Kulkarni

arxiv:1903.08580 v1 · 2019-03-20 · astro-ph.HE · 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{5JP4EJSM3UG7MXPHHG4VI53TB6}

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	2026-05-17T23:50:18.721013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea5fc2264cdd0df65de739b95477730fb0aace6aba8954ca798e5429b6dc92c6

Aliases

arxiv: 1903.08580 · arxiv_version: 1903.08580v1 · doi: 10.48550/arxiv.1903.08580 · pith_short_12: 5JP4EJSM3UG7 · pith_short_16: 5JP4EJSM3UG7MXPH · pith_short_8: 5JP4EJSM

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/5JP4EJSM3UG7MXPHHG4VI53TB6 \
  | 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: ea5fc2264cdd0df65de739b95477730fb0aace6aba8954ca798e5429b6dc92c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3153647550851aef4719c1ee02952d0a4fa24e198031806f5537bc093fb21b2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-20T16:06:01Z",
    "title_canon_sha256": "36b4543d42bc3ccf2e75e268ffa8bf19ae7de22c1c720294e38c3a872d5e3972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08580",
    "kind": "arxiv",
    "version": 1
  }
}