Pith Number

pith:K2VO7L37

pith:2018:K2VO7L37KPDOFJKXXFQ5V76CD7

not attested not anchored not stored refs pending

Photopolarimetrical Study of Blazar-type AGN OJ287 in 2012-2015 with the 2m RCC Telescope at NAO Rozhen

Angel Dimitrov, Borislav Spassov, Evgeni Ovcharov, Kalina Stoimenova, Manol Gerushin, Milen Minev, Stefan Georgiev, Vladimir Bozhilov, Yordan Darakchiev

arxiv:1802.07011 v1 · 2018-02-20 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2VO7L37KPDOFJKXXFQ5V76CD7}

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	2026-05-18T00:22:53.737467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56aaefaf7f53c6e2a557b961daffc21fc0f6b013052546d8ffded2a5204bd1ab

Aliases

arxiv: 1802.07011 · arxiv_version: 1802.07011v1 · doi: 10.48550/arxiv.1802.07011 · pith_short_12: K2VO7L37KPDO · pith_short_16: K2VO7L37KPDOFJKX · pith_short_8: K2VO7L37

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/K2VO7L37KPDOFJKXXFQ5V76CD7 \
  | 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: 56aaefaf7f53c6e2a557b961daffc21fc0f6b013052546d8ffded2a5204bd1ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ad0bda6dee15ec4f614ac36fc36f8efd130698c750d87d745b2e035772e2a17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-20T08:45:48Z",
    "title_canon_sha256": "cad8a34f1fb15f200f06653a6602657243ece61c714fc7c3322a5ad744d2be89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07011",
    "kind": "arxiv",
    "version": 1
  }
}