Pith Number

pith:TT6F2B6Y

pith:2022:TT6F2B6Y6CEYK43WYLWH6GVINZ

not attested not anchored not stored refs pending

SN 2020acat: A purr-fect example of a fast rising Type IIb Supernova

A. Pastorello, A. Requitti, C. Ashall, C. Inserra, C. McCully, C. Pellegrino, D. A. Howell, D. Hiramatsu, D. R. Young, E. Padilla Gonzalez, E. Paraskeva, G. Terreran, I. Arcavi, J. Burke, J.P. Anderson, J. Teffs, K. A. Bostroem, K. Medler, L. Galbany, L. Tomasella, M. Ergon, M. Gromadzki, M. Newsome, M. Nicholl, N. Elias-Rosa, P. A. Mazzali, P. Charalampopoulos, P. J. Pessi, P. Lundqvist, R. Roy, S. Benetti, T. M. Reynolds, T. M\"uller-Bravo, Y.-Z. Cai

arxiv:2201.06991 v1 · 2022-01-18 · 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{TT6F2B6Y6CEYK43WYLWH6GVINZ}

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	2026-07-05T03:49:33.476493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cfc5d07d8f089857376c2ec7f1aa86e4ada7c65b8219abe2a5e96f066f46715

Aliases

arxiv: 2201.06991 · arxiv_version: 2201.06991v1 · doi: 10.48550/arxiv.2201.06991 · pith_short_12: TT6F2B6Y6CEY · pith_short_16: TT6F2B6Y6CEYK43W · pith_short_8: TT6F2B6Y

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/TT6F2B6Y6CEYK43WYLWH6GVINZ \
  | 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: 9cfc5d07d8f089857376c2ec7f1aa86e4ada7c65b8219abe2a5e96f066f46715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d702d3cf9a8a0e0fb27f049b606baeb7828aba049183120f0ccc842e54ae064",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-01-18T13:54:30Z",
    "title_canon_sha256": "4637688172b0effe47da79b54c8c26f1003d19e72bb7bdcb841aeab252c5c96e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06991",
    "kind": "arxiv",
    "version": 1
  }
}