Pith Number

pith:OXUEBEMS

pith:2023:OXUEBEMSQEB2WX6AAFNU3CLH6K

not attested not anchored not stored refs pending

Late time HST UV and optical observations of AT~2018cow: extracting a cow from its background

Andrew J. Levan, Andrew Mummery, Anne Inkenhaag, Ashley A. Chrimes, Daniel A. Perley, Nial R. Tanvir, Peter G. Jonker

arxiv:2308.07381 v1 · 2023-08-14 · 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{OXUEBEMSQEB2WX6AAFNU3CLH6K}

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	2026-07-05T06:41:24.456305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e84091928103ab5fc0015b4d8967f2bf2e374f4c246ffe14776e56da566659

Aliases

arxiv: 2308.07381 · arxiv_version: 2308.07381v1 · doi: 10.48550/arxiv.2308.07381 · pith_short_12: OXUEBEMSQEB2 · pith_short_16: OXUEBEMSQEB2WX6A · pith_short_8: OXUEBEMS

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/OXUEBEMSQEB2WX6AAFNU3CLH6K \
  | 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: 75e84091928103ab5fc0015b4d8967f2bf2e374f4c246ffe14776e56da566659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0ea414142e0108c9b67a9413fc5188488443464337276418f1ae8493245069",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-08-14T18:06:54Z",
    "title_canon_sha256": "dac2b1f1175901f4e8bbf60c964bc77f56cf70b3b692ad236c2ea097c949614b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.07381",
    "kind": "arxiv",
    "version": 1
  }
}