Pith Number

pith:534OKTEM

pith:2018:534OKTEMKCBAR3SZQHKJ7KNPXI

not attested not anchored not stored refs pending

Where is the engine hiding its missing energy? Constraints from a deep X-ray non-detection of the Superluminous SN 2015bn

Ben Margalit, Brian D. Metzger, Dan Milisavljevic, Edo Berger, Kornpob Bhirombhakdi, Matt Nicholl, Raffaella Margutti, Ryan Chornock

arxiv:1809.02760 v1 · 2018-09-08 · 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{534OKTEMKCBAR3SZQHKJ7KNPXI}

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	2026-05-17T23:59:05.335918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eef8e54c8c508208ee5981d49fa9afba0e97d72172ea43f703e1abe4da4f2b1b

Aliases

arxiv: 1809.02760 · arxiv_version: 1809.02760v1 · doi: 10.48550/arxiv.1809.02760 · pith_short_12: 534OKTEMKCBA · pith_short_16: 534OKTEMKCBAR3SZ · pith_short_8: 534OKTEM

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/534OKTEMKCBAR3SZQHKJ7KNPXI \
  | 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: eef8e54c8c508208ee5981d49fa9afba0e97d72172ea43f703e1abe4da4f2b1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "222bcdf4cb1b0bedb09386b5142b6e4639a8c11eb11d4a3998f9375f74f9e300",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-08T05:12:42Z",
    "title_canon_sha256": "b97a046e1f9b2257feff49ba0d6f51128699b7d794638bc808a34a8342c743df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02760",
    "kind": "arxiv",
    "version": 1
  }
}