Pith Number

pith:UNK2DTHR

pith:2018:UNK2DTHRNBLCRUA3HOP4ODZR3B

not attested not anchored not stored refs pending

Stripped-envelope supernova SN 2004dk is now interacting with hydrogen-rich circumstellar material

Alexei V. Filippenko, Isaac Shivvers, Jon C. Mauerhan, Kelsey Clubb, Melissa L. Graham, Thomas Brink, Weikang Zheng

arxiv:1803.07051 v1 · 2018-03-19 · astro-ph.SR · 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{UNK2DTHRNBLCRUA3HOP4ODZR3B}

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.

Cited by

1 paper in Pith

A 14-year-old Mystery: The Peculiar Case of the Engine-driven SN 2012ap

Receipt and verification

First computed	2026-05-18T00:13:26.923856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a355a1ccf1685628d01b3b9fc70f31d87d572759d04f17274c7d581701a6292f

Aliases

arxiv: 1803.07051 · arxiv_version: 1803.07051v1 · doi: 10.48550/arxiv.1803.07051 · pith_short_12: UNK2DTHRNBLC · pith_short_16: UNK2DTHRNBLCRUA3 · pith_short_8: UNK2DTHR

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/UNK2DTHRNBLCRUA3HOP4ODZR3B \
  | 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: a355a1ccf1685628d01b3b9fc70f31d87d572759d04f17274c7d581701a6292f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeb24a9dbd046f8a04694b95a0f136f8d3ac8cdc84d97238ce3fd92bd43387f6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-03-19T17:26:52Z",
    "title_canon_sha256": "b38ce08a3f446168eaa4d6599252fe5511ecf21de1e911189495c8d1d7398ab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07051",
    "kind": "arxiv",
    "version": 1
  }
}