Pith Number

pith:HCMHPNUK

pith:2021:HCMHPNUKD5XYYV5IKXUCFUOZEK

not attested not anchored not stored refs pending

Candidate Tidal Disruption Event AT2019fdr Coincident with a High-Energy Neutrino

Albert K. H. Kong, Anna Franckowiak, Avishay Gal-Yam, Ben Rusholme, B. Theodore Zhang, Cecilia Lunardini, Cristina Barbarino, Daniel A. Perley, Erez Zimmerman, Eric C. Bellm, Erik C. Kool, Jakob Nordin, Jakob van Santen, James C. A. Miller-Jones, Jannis Necker, Jesper Sollerman, Kishalay De, Kohta Murase, Leo P. Singer, Mansi M. Kasliwal, Marat Gilfanov, Marcello Giroletti, Marek Kowalski, Matthew J. Graham, Michael W. Coughlin, Mickael Rigault, Nora Linn Strotjohann, Pavel Medvedev, Rashid Sunyaev, Richard Dekany, Richard Walters, Robert Stein, Russ R. Laher, Sara Buson, Sara Frederick, S. Bradley Cenko, Shigeo S. Kimura, Shreya Anand, Simeon Reusch, Simone Garrappa, Sjoert van Velzen, Steve Schulze, Suvi Gezari, Tassilo Schweyer, Tomas Ahumada, Vaidehi S. Paliya, Valery Brinnel, Viraj Karambelkar, Walter Winter

arxiv:2111.09390 v2 · 2021-11-17 · 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{HCMHPNUKD5XYYV5IKXUCFUOZEK}

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	2026-07-05T04:30:39.492595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

389877b68a1f6f8c57a855e822d1d9228e5760c905fa283ddc32d40f01242647

Aliases

arxiv: 2111.09390 · arxiv_version: 2111.09390v2 · doi: 10.48550/arxiv.2111.09390 · pith_short_12: HCMHPNUKD5XY · pith_short_16: HCMHPNUKD5XYYV5I · pith_short_8: HCMHPNUK

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/HCMHPNUKD5XYYV5IKXUCFUOZEK \
  | 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: 389877b68a1f6f8c57a855e822d1d9228e5760c905fa283ddc32d40f01242647

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cfba0c74a8cbcf3b3262fef7f5ea89794819c946feb15ce12baa8c981a0d913",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-11-17T20:51:16Z",
    "title_canon_sha256": "8189e30c8ae558236aef9f9e355856bb3747ee34127a2e0bf709899410dc15d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.09390",
    "kind": "arxiv",
    "version": 2
  }
}