Pith Number

pith:DP4HF3VY

pith:2021:DP4HF3VYOFJOS7NHYL77EZMEIF

not attested not anchored not stored refs pending

Final Moments I: Precursor Emission, Envelope Inflation, and Enhanced Mass loss Preceding the Luminous Type II Supernova 2020tlf

Adaeze L. Ibik, Alexander Gagliano, Armin Rest, C\'esar Rojas-Bravo, Charles D. Kilpatrick, Christa Gall, Danny Milisavljevic, David A. Coulter, David J. Matthews, David Jones, Deanne Coppejans, Georgios Dimitriadis, Giacomo Terreran, Jens Hjorth, Katie Auchettl, Ken W. Smith, Kirsty Taggart, Kyle W. Davis, Lindsay DeMarchi, Luc Dessart, Maria R. Drout, Mark E. Huber, Matthew R. Siebert, Nicholas Earl, Patrick D. Aleo, Peter K. Blanchard, Qinan Wang, Raffaella Margutti, Ryan J. Foley, Ryan Ridden-Harper, Samaporn Tinyanont, Sofia Rest, Thomas de Boer, Wynn Jacobson-Gal\'an, Yen-Chen Pan, Yossef Zenati

arxiv:2109.12136 v2 · 2021-09-24 · 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{DP4HF3VYOFJOS7NHYL77EZMEIF}

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.

Cited by

1 paper in Pith

SN 2023ixf: The Closest Supernova of the Decade

Receipt and verification

First computed	2026-07-05T03:47:24.674480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf872eeb87152e97da7c2fff26584415542de699e1e85a96ad74bc7ae9b422c

Aliases

arxiv: 2109.12136 · arxiv_version: 2109.12136v2 · doi: 10.48550/arxiv.2109.12136 · pith_short_12: DP4HF3VYOFJO · pith_short_16: DP4HF3VYOFJOS7NH · pith_short_8: DP4HF3VY

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/DP4HF3VYOFJOS7NHYL77EZMEIF \
  | 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: 1bf872eeb87152e97da7c2fff26584415542de699e1e85a96ad74bc7ae9b422c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a57ec22ef23fde686cf282a04b0037421a3397052865923685aeff4f2fa50e29",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-09-24T18:04:23Z",
    "title_canon_sha256": "f6d12ab1f19e80de45bac51a6134db49753865effd66e6f95e6ef1232bb63d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12136",
    "kind": "arxiv",
    "version": 2
  }
}