Pith Number

pith:FY4K4KL6

pith:2015:FY4K4KL6XTA5P2N5NT5TZJZ3QO

not attested not anchored not stored refs pending

Optical and Radio Variability of BL Lacertae

A. Agarwal, A. E. Volvach, A. Lahteenmaki, Alok C. Gupta, A. Strigachev, E. Semkov, Haritma Gaur, H. D. Aller, I. Agudo, L. A. Sigua, L. N. Volvach, M. F. Aller, M. G. Nikolashvili, Minfeng Gu, M. Tornikoski, O. M. Kurtanidze, Paul J. Wiita, R. Bachev, S. O. Kurtanidze, S. Peneva

arxiv:1508.00959 v1 · 2015-08-05 · 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{FY4K4KL6XTA5P2N5NT5TZJZ3QO}

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	2026-05-18T01:28:47.268270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e38ae297ebcc1d7e9bd6cfb3ca73b83a6849205d38790d2a805c6d7d62d2234

Aliases

arxiv: 1508.00959 · arxiv_version: 1508.00959v1 · doi: 10.48550/arxiv.1508.00959 · pith_short_12: FY4K4KL6XTA5 · pith_short_16: FY4K4KL6XTA5P2N5 · pith_short_8: FY4K4KL6

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/FY4K4KL6XTA5P2N5NT5TZJZ3QO \
  | 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: 2e38ae297ebcc1d7e9bd6cfb3ca73b83a6849205d38790d2a805c6d7d62d2234

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a56da9951959a66002aefe8edea6aa5dc1691e2348c8e503359ff9561a0d99b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-08-05T02:38:11Z",
    "title_canon_sha256": "86b2d17b736acd8de0d818a3403333dae758fff612d551d8d5b2b2e60c79d9f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00959",
    "kind": "arxiv",
    "version": 1
  }
}