Pith Number

pith:B4PQSB32

pith:2020:B4PQSB32JD7HXT5UZKGTXAPONF

not attested not anchored not stored refs pending

EXTraS discovery of an X-ray superflare from an L dwarf

A. Belfiore, A. De Luca, A.J. Burgasser, A. Tiengo, B. Stelzer, C. Vignali, D. Pizzocaro, G. Novara, M. Fumana, M. Marelli, P. Esposito, P. Franzetti, P. Ranalli, R. Gilli, R. Salvaterra, S. Raetz

arxiv:2002.08078 v1 · 2020-02-19 · astro-ph.SR · 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{B4PQSB32JD7HXT5UZKGTXAPONF}

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	2026-07-05T00:42:26.284792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f1f09077a48fe7bcfb4ca8d3b81ee6974e5a7951c332b7677bed58a26de01c6

Aliases

arxiv: 2002.08078 · arxiv_version: 2002.08078v1 · doi: 10.48550/arxiv.2002.08078 · pith_short_12: B4PQSB32JD7H · pith_short_16: B4PQSB32JD7HXT5U · pith_short_8: B4PQSB32

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/B4PQSB32JD7HXT5UZKGTXAPONF \
  | 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: 0f1f09077a48fe7bcfb4ca8d3b81ee6974e5a7951c332b7677bed58a26de01c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b0921b4837d988401fd1fee41bd5903bd1740402a4110508a2795b31bf6afe9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-02-19T09:32:41Z",
    "title_canon_sha256": "808642bd3fc3467ac2629890dd9129de14166ef2e3c296ae3490918dc6c2a37b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.08078",
    "kind": "arxiv",
    "version": 1
  }
}