Pith Number

pith:4Y4UBM7R

pith:2022:4Y4UBM7RB6IKL6GWFJ42INFRKL

not attested not anchored not stored refs pending

Weak Mass Loss from the Red Supergiant Progenitor of the Type II SN 2021yja

Alexandra Kozyreva, Armin Rest, Ben Shappee, Brad E. Tucker, Charles D. Kilpatrick, Chris Ashall, Cosimo Inserra, Craig Pellegrino, Curtis McCully, Daichi Hiramatsu, D. Andrew Howell, Daniel E. Reichart, Daryl Janzen, David J. Sand, David R. Young, Emmy Paraskeva, Eric Y. Hsiao, Estefania Padilla Gonzalez, Feng Lin Cyrus Leung, Giacomo Terreran, Grace Yang, Griffin Hosseinzadeh, Hao-Yu Miao, Jacob E. Jencson, Jamison Burke, Jeniveve Pearson, Jennifer E. Andrews, Jonathan J. Swift, Joseph P. Anderson, Joshua Haislip, Katie Auchettl, K. Azalee Bostroem, Kirsty Taggart, Kyle W. Davis, Llu\'is Galbany, Mariusz Gromadzki, Massimo Della Valle, Matthew R. Siebert, Matt Nicholl, Megan Newsome, Melissa Shahbandeh, Michael Lundquist, Nathan Smith, Nicolas E. Meza Retamal, Peter J. Brown, R\'egis Cartier, Ryan J. Foley, Samuel Wyatt, Saurabh W. Jha, Sebastian Gomez, Stefano Benetti, Stefano Valenti, Stuart Ryder, Thomas L. Killestein, Ting-Wan Chen, Tom\'as E. M\"uller-Bravo, Vladimir Kouprianov, Yen-Chen Pan, Yize Dong

arxiv:2203.08155 v2 · 2022-03-15 · 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{4Y4UBM7RB6IKL6GWFJ42INFRKL}

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	2026-07-05T04:49:31.508988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e63940b3f10f90a5f8d62a79a434b152dd8d79a2fbc94398e643ee7c7222156e

Aliases

arxiv: 2203.08155 · arxiv_version: 2203.08155v2 · doi: 10.48550/arxiv.2203.08155 · pith_short_12: 4Y4UBM7RB6IK · pith_short_16: 4Y4UBM7RB6IKL6GW · pith_short_8: 4Y4UBM7R

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/4Y4UBM7RB6IKL6GWFJ42INFRKL \
  | 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: e63940b3f10f90a5f8d62a79a434b152dd8d79a2fbc94398e643ee7c7222156e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f936d11e19f45564095869c12ced808fd23e50c90484b7f66da3f859a18b8c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-03-15T18:00:00Z",
    "title_canon_sha256": "d0b758b92d1abf25f792c890916647e933aabbead8cd9a957b537203ff78826c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.08155",
    "kind": "arxiv",
    "version": 2
  }
}