Pith Number

pith:NHEWYNRA

pith:2022:NHEWYNRAHSFZA3YYO7NLKNCZLM

not attested not anchored not stored refs pending

A statistical study of the optical spectral variability in gamma-ray blazars

A. Luashvili, C. M. Raiteri, J.A. Acosta-Pulido, J. Becerra Gonz\'alez, J. Otero-Santos, M. I. Carnerero, N. Castro Segura, O. Gonz\'alez-Mart\'in

arxiv:2202.08851 v1 · 2022-02-17 · 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{NHEWYNRAHSFZA3YYO7NLKNCZLM}

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	2026-07-05T04:01:11.905534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c96c36203c8b906f1877dab534595b1487ea7ae5cf4fbd0881aba7ffc0afc3

Aliases

arxiv: 2202.08851 · arxiv_version: 2202.08851v1 · doi: 10.48550/arxiv.2202.08851 · pith_short_12: NHEWYNRAHSFZ · pith_short_16: NHEWYNRAHSFZA3YY · pith_short_8: NHEWYNRA

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/NHEWYNRAHSFZA3YYO7NLKNCZLM \
  | 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: 69c96c36203c8b906f1877dab534595b1487ea7ae5cf4fbd0881aba7ffc0afc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1312f0844458c98c8d356e4e44b3226db0c1bf95a905dbc37928cd04bf922d2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-02-17T19:00:06Z",
    "title_canon_sha256": "90428e9d17898e70a353598c547484c79a88790c2ea0809bba1523d5b7ea5d3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.08851",
    "kind": "arxiv",
    "version": 1
  }
}