Pith Number

pith:QBSF4YV5

pith:2025:QBSF4YV565XB7CHIMRGNPPQT7P

not attested not anchored not stored refs pending

Cygnus X-3 as semi-hidden PeVatron

E. Lammert, M. Kachelriess

arxiv:2503.11448 v2 · 2025-03-14 · 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{QBSF4YV565XB7CHIMRGNPPQT7P}

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	2026-07-05T12:03:25.179653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80645e62bdf76e1f88e8644cd7be13fbec6c192d902863078904633527cdd5f2

Aliases

arxiv: 2503.11448 · arxiv_version: 2503.11448v2 · doi: 10.48550/arxiv.2503.11448 · pith_short_12: QBSF4YV565XB · pith_short_16: QBSF4YV565XB7CHI · pith_short_8: QBSF4YV5

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/QBSF4YV565XB7CHIMRGNPPQT7P \
  | 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: 80645e62bdf76e1f88e8644cd7be13fbec6c192d902863078904633527cdd5f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d680ad14904663ce51dc7f4588bcfcaf6f0794a6f5446aa2bd7a730b4696b56c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-03-14T14:32:32Z",
    "title_canon_sha256": "f3201b982e4ea8b19fb0f78574c045c08ddd9b9ed41c5bbd31b42f1b1583cc7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.11448",
    "kind": "arxiv",
    "version": 2
  }
}