Pith Number

pith:LUD2SENU

pith:2022:LUD2SENUIUEPVYWIMXA4URCJYJ

not attested not anchored not stored refs pending

A hot and luminous source at the site of the fast transient AT2018cow at 2-3 years after its explosion

Justyn R. Maund, Liang-Duan Liu, Ning-Chen Sun, Paul A. Crowther

arxiv:2203.01960 v1 · 2022-03-03 · 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{LUD2SENUIUEPVYWIMXA4URCJYJ}

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	2026-07-05T04:04:06.182463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d07a911b44508fae2c865c1ca4449c276875da3200268ad8598d12d7fb9b923

Aliases

arxiv: 2203.01960 · arxiv_version: 2203.01960v1 · doi: 10.48550/arxiv.2203.01960 · pith_short_12: LUD2SENUIUEP · pith_short_16: LUD2SENUIUEPVYWI · pith_short_8: LUD2SENU

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/LUD2SENUIUEPVYWIMXA4URCJYJ \
  | 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: 5d07a911b44508fae2c865c1ca4449c276875da3200268ad8598d12d7fb9b923

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b72585e3bdecbb1875032476c845923bedb97bd75206c4105389da62d70ddeed",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-03-03T19:00:04Z",
    "title_canon_sha256": "b815c6d538ba0df16ec0183b754f6631352f891817699349b62cfe393a009700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.01960",
    "kind": "arxiv",
    "version": 1
  }
}