Pith Number

pith:IO57WYF6

pith:2015:IO57WYF6H4QMSRDHEGQ6MGXWTI

not attested not anchored not stored refs pending

The Very Early Light Curve of SN 2015F in NGC 2442: A Possible Detection of Shock-Heated Cooling Emission and Constraints on SN Ia Progenitor System

Changsu Choi, Hyun-Il Sung, Jae-Woo Kim, Libert A. G. Monard, Myungshin Im, Shuhrat A. Ehgamberdiev, Sung-Chul Yoon

arxiv:1510.02084 v1 · 2015-10-07 · astro-ph.HE · astro-ph.CO · astro-ph.GA · 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{IO57WYF6H4QMSRDHEGQ6MGXWTI}

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	2026-05-18T01:30:48.539184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43bbfb60be3f20c9446721a1e61af69a143e634770c944166436952eda3bee17

Aliases

arxiv: 1510.02084 · arxiv_version: 1510.02084v1 · doi: 10.48550/arxiv.1510.02084 · pith_short_12: IO57WYF6H4QM · pith_short_16: IO57WYF6H4QMSRDH · pith_short_8: IO57WYF6

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/IO57WYF6H4QMSRDHEGQ6MGXWTI \
  | 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: 43bbfb60be3f20c9446721a1e61af69a143e634770c944166436952eda3bee17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "041e0bc65af7f7c210336363cb89ae98925cad581d0aa39afc0db054c23f3cc2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-10-07T07:32:29Z",
    "title_canon_sha256": "3c880dc0a5bb7926ea278fda157e19d9dbde031bb593e1a4dfd7c850b305a78e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02084",
    "kind": "arxiv",
    "version": 1
  }
}