Pith Number

pith:K3KWUMLB

pith:2018:K3KWUMLB6C5YRSKMP4JQYN2L5J

not attested not anchored not stored refs pending

Nebular-phase spectra of superluminous supernovae: physical insights from observational and statistical properties

Edo Berger, Matt Nicholl, Peter K Blanchard, Ryan Chornock, Sebastian Gomez

arxiv:1808.00510 v2 · 2018-08-01 · astro-ph.HE · 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{K3KWUMLB6C5YRSKMP4JQYN2L5J}

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	2026-05-17T23:55:20.207343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56d56a3161f0bb88c94c7f130c374bea5f6195298f669c52ed2303ada5d7deec

Aliases

arxiv: 1808.00510 · arxiv_version: 1808.00510v2 · doi: 10.48550/arxiv.1808.00510 · pith_short_12: K3KWUMLB6C5Y · pith_short_16: K3KWUMLB6C5YRSKM · pith_short_8: K3KWUMLB

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/K3KWUMLB6C5YRSKMP4JQYN2L5J \
  | 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: 56d56a3161f0bb88c94c7f130c374bea5f6195298f669c52ed2303ada5d7deec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d9958e54afec0aff0ae96a27e6bdbc7e6725399955eb8fc7cb1de82ceb570de",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-08-01T19:01:11Z",
    "title_canon_sha256": "ee4961cd83738ffdb989a84d4301086b83c3ba57ee6f089d1ddb25fb94b2d435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00510",
    "kind": "arxiv",
    "version": 2
  }
}