Pith Number

pith:XMQ52BNU

pith:2018:XMQ52BNUIIL46TQWYEWE7LZREL

not attested not anchored not stored refs pending

Optical polarisation variability of radio loud narrow line Seyfert 1 galaxies. Search for long rotations of the polarisation plane

D. Blinov, E. Angelakis, I. Myserlis, J. A. Zensus, J. Eggen, N. Marchili, R. Itoh, S. Kiehlmann

arxiv:1807.02382 v1 · 2018-07-06 · astro-ph.GA · 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{XMQ52BNUIIL46TQWYEWE7LZREL}

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	2026-05-18T00:02:44.593535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb21dd05b44217cf4e16c12c4faf3122eff597a7cd311a2285a273c095dd96d7

Aliases

arxiv: 1807.02382 · arxiv_version: 1807.02382v1 · doi: 10.48550/arxiv.1807.02382 · pith_short_12: XMQ52BNUIIL4 · pith_short_16: XMQ52BNUIIL46TQW · pith_short_8: XMQ52BNU

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/XMQ52BNUIIL46TQWYEWE7LZREL \
  | 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: bb21dd05b44217cf4e16c12c4faf3122eff597a7cd311a2285a273c095dd96d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a7a08a42feda4b40b982fb1944092c3d5e70917f6e227bd20f6087ddecfca39",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-07-06T12:42:05Z",
    "title_canon_sha256": "8508701ac82b55ff475037720af3f874449ab35bbc847e530fb0aaea0130ab8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02382",
    "kind": "arxiv",
    "version": 1
  }
}