Pith Number

pith:4GIYFWWF

pith:2022:4GIYFWWFZCUNXHXFTHRAIXF2FB

not attested not anchored not stored refs pending

Can one-zone hadronuclear model explain the hard-TeV spectrum of BL Lac objects?

Da-Hai Yan, Guang-Bo Long, Jian-Cheng Wang, Rui Xue, Shigehiro Nagataki, Wei-Jian Li, Ze-Rui Wang

arxiv:2201.12708 v1 · 2022-01-30 · 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{4GIYFWWFZCUNXHXFTHRAIXF2FB}

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

BL Lacertae under the Flare of 2024: Probing Temporal and Spectral Dynamics

Receipt and verification

First computed	2026-07-05T04:09:46.256711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19182dac5c8a8db9ee599e2045cba285a5d8d963e791d03a0add3b33071b502

Aliases

arxiv: 2201.12708 · arxiv_version: 2201.12708v1 · doi: 10.48550/arxiv.2201.12708 · pith_short_12: 4GIYFWWFZCUN · pith_short_16: 4GIYFWWFZCUNXHXF · pith_short_8: 4GIYFWWF

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/4GIYFWWFZCUNXHXFTHRAIXF2FB \
  | 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: e19182dac5c8a8db9ee599e2045cba285a5d8d963e791d03a0add3b33071b502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cb1c0e3aaaa1bc93f6e08ac14fe364f7be2cd00f40c48a7eef429bcdc211abb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-01-30T02:46:18Z",
    "title_canon_sha256": "8dcdcedddc25e4ee4f30dcd2e3dfe612e039effe91ca6b1a3eacc928d97cfa66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12708",
    "kind": "arxiv",
    "version": 1
  }
}