Pith Number

pith:U3JC27XT

pith:2018:U3JC27XTG53EH4MEKAGW7RWT4W

not attested not anchored not stored refs pending

Nebular Spectroscopy of Kepler's Brightest Supernova

A. C. N. Quirk, A. L. Piro, A. Rest, A. Villar, B. E. Tucker, C. D. Kilpatrick, C. Rojas-Bravo, G. Dimitriadis, G. M. Strampelli, J. S. Brown, P. Guhathakurta, R. J. Foley

arxiv:1812.00097 v2 · 2018-11-30 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3JC27XTG53EH4MEKAGW7RWT4W}

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	2026-05-17T23:56:16.569173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6d22d7ef3377643f184500d6fc6d3e5922f2edab8ab0e006c0f6de35c4a052d

Aliases

arxiv: 1812.00097 · arxiv_version: 1812.00097v2 · doi: 10.48550/arxiv.1812.00097 · pith_short_12: U3JC27XTG53E · pith_short_16: U3JC27XTG53EH4ME · pith_short_8: U3JC27XT

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/U3JC27XTG53EH4MEKAGW7RWT4W \
  | 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: a6d22d7ef3377643f184500d6fc6d3e5922f2edab8ab0e006c0f6de35c4a052d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c01205f20646bcdeb98be06ae86b1dd44c6d0f230d08c1a55e72e0f1092109",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-30T23:40:41Z",
    "title_canon_sha256": "ef383ffe273a2f624f4e0e59302c152fae4cd9c30426b5808bbb702f2bb81d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.00097",
    "kind": "arxiv",
    "version": 2
  }
}