Pith Number

pith:W4OCMTJ3

pith:2022:W4OCMTJ3LKIIFTTBT3FWDR6X7D

not attested not anchored not stored refs pending

An environmental analysis of the fast transient AT2018cow and implications for its progenitor and late-time brightness

Ida A. Janiak, Justyn R. Maund, Ning-Chen Sun, Yali Shao

arxiv:2210.01144 v2 · 2022-10-03 · astro-ph.GA · 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{W4OCMTJ3LKIIFTTBT3FWDR6X7D}

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	2026-07-05T05:33:51.021049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b71c264d3b5a9082ce619ecb61c7d7f8c2f48c642a57c7f1af429bff0ba8076a

Aliases

arxiv: 2210.01144 · arxiv_version: 2210.01144v2 · doi: 10.48550/arxiv.2210.01144 · pith_short_12: W4OCMTJ3LKII · pith_short_16: W4OCMTJ3LKIIFTTB · pith_short_8: W4OCMTJ3

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/W4OCMTJ3LKIIFTTBT3FWDR6X7D \
  | 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: b71c264d3b5a9082ce619ecb61c7d7f8c2f48c642a57c7f1af429bff0ba8076a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43517cfb2223c5920b02d588e7c96cd0d6a13886cd115f02185db12fb29fba0f",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-10-03T18:00:09Z",
    "title_canon_sha256": "a1f435ca2a40c3ea319aa70c2db30d8fcc441f071f5dc18f1c83861bbe6ef39d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.01144",
    "kind": "arxiv",
    "version": 2
  }
}