Pith Number

pith:LES6CAQS

pith:2021:LES6CAQSL5MCIP6OAGO7G6GRUX

not attested not anchored not stored refs pending

Broadband study of BL Lac during flare of 2020: Spectral evolution and emergence of HBL component

Raj Prince

arxiv:2105.00221 v2 · 2021-05-01 · 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{LES6CAQSL5MCIP6OAGO7G6GRUX}

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	2026-07-05T03:16:14.505352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5925e102125f58243fce019df378d1a5c4b606ee97ae4804b5f6d74557dc339e

Aliases

arxiv: 2105.00221 · arxiv_version: 2105.00221v2 · doi: 10.48550/arxiv.2105.00221 · pith_short_12: LES6CAQSL5MC · pith_short_16: LES6CAQSL5MCIP6O · pith_short_8: LES6CAQS

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/LES6CAQSL5MCIP6OAGO7G6GRUX \
  | 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: 5925e102125f58243fce019df378d1a5c4b606ee97ae4804b5f6d74557dc339e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8257bbfe4de4466dc1c450d3bb179d20e1e5bcd2e753373636fc32b52b4f1793",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-05-01T11:33:25Z",
    "title_canon_sha256": "f8ebf75430bf40927cca213267accbc59ca2da9c153c064a26957dcc00842047"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00221",
    "kind": "arxiv",
    "version": 2
  }
}