Pith Number

pith:HT5Z3IS6

pith:2018:HT5Z3IS63VVCUADY7YE3OHP6L2

not attested not anchored not stored refs pending

Reversals in the Direction of Polarization Rotation in OJ 287

A.B. Pushkarev (CrAO, ASC Lebedev), D.L. Meier (Caltech), H.D. Aller (U Michigan), M.F. Aller (U Michigan), M.H. Cohen (Caltech), M.L. Lister (Purdue U), Mpifr), MPIPT, P. Kharb (NCRA-TIFR), T. Hovatta (U Turku), T. Savolainen (Aalto U, Y.Y. Kovalev (ASC Lebedev

arxiv:1806.02870 v1 · 2018-06-07 · 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{HT5Z3IS63VVCUADY7YE3OHP6L2}

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	2026-05-18T00:10:10.066784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cfb9da25edd6a2a0078fe09b71dfe5ea06ef12cf034466e46c31d0548ac4866

Aliases

arxiv: 1806.02870 · arxiv_version: 1806.02870v1 · doi: 10.48550/arxiv.1806.02870 · pith_short_12: HT5Z3IS63VVC · pith_short_16: HT5Z3IS63VVCUADY · pith_short_8: HT5Z3IS6

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/HT5Z3IS63VVCUADY7YE3OHP6L2 \
  | 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: 3cfb9da25edd6a2a0078fe09b71dfe5ea06ef12cf034466e46c31d0548ac4866

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d03768dae69c78d169070345f649a82d18db2707eaa83b1f0e43d1df8afc4d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-07T19:15:36Z",
    "title_canon_sha256": "63e2f6e08eb6ee6e2f79744733f5dbba7f828fdf1e24bd8f5942971023b4a86a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02870",
    "kind": "arxiv",
    "version": 1
  }
}