Pith Number

pith:2E7FSQ4J

pith:2015:2E7FSQ4JY5UHMSXAXQI4XXLRSA

not attested not anchored not stored refs pending

SN 2009ib: A Type II-P Supernova with an Unusually Long Plateau

A. P. LaCluyze, C. Inserra, D. Reichart, E. Cappellaro, E. Kankare, E. Paillas, F. Bufano, G. Pignata, J. B. Haislip, J. P. Moore, K. Takats, L. Zampieri, M. D. Stritzinger, M. Ergon, M. Fraser, M. Hamuy, M. L. Pumo, N. Elias-Rosa, S. Benetti, S. D. Van Dyk, S. J. Smartt

arxiv:1504.02404 v3 · 2015-04-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2E7FSQ4JY5UHMSXAXQI4XXLRSA}

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	2026-05-18T02:03:32.999376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d13e594389c768764ae0bc11cbdd71900b961f2137351f673685648df6dc0daf

Aliases

arxiv: 1504.02404 · arxiv_version: 1504.02404v3 · doi: 10.48550/arxiv.1504.02404 · pith_short_12: 2E7FSQ4JY5UH · pith_short_16: 2E7FSQ4JY5UHMSXA · pith_short_8: 2E7FSQ4J

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/2E7FSQ4JY5UHMSXAXQI4XXLRSA \
  | 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: d13e594389c768764ae0bc11cbdd71900b961f2137351f673685648df6dc0daf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d14d2f7c15a378f95d58018bbc32a363a94537f1fd87b99f254cd51d36e135a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-04-09T18:01:21Z",
    "title_canon_sha256": "e716750191e71396212593d57e7b8818532329427bf3e6fa52a2bc0e63fecd12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02404",
    "kind": "arxiv",
    "version": 3
  }
}