Pith Number

pith:PMKL6P6X

pith:2018:PMKL6P6XZUI4DMICCP5V45XFAP

not attested not anchored not stored refs pending

High cadence, linear and circular polarization monitoring of OJ 287 - Helical magnetic field in a bent jet

D. Grupe, E. Angelakis, I. Myserlis, J. L. G\'omez, S. Komossa, T. P. Krichbaum, U. Bach, V. Karamanavis

arxiv:1809.01663 v1 · 2018-09-05 · astro-ph.HE · astro-ph.CO · 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{PMKL6P6XZUI4DMICCP5V45XFAP}

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	2026-05-18T00:00:45.684009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b14bf3fd7cd11c1b10213fb5e76e503f32a044d345bde9334632f8d5c0f859a

Aliases

arxiv: 1809.01663 · arxiv_version: 1809.01663v1 · doi: 10.48550/arxiv.1809.01663 · pith_short_12: PMKL6P6XZUI4 · pith_short_16: PMKL6P6XZUI4DMIC · pith_short_8: PMKL6P6X

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/PMKL6P6XZUI4DMICCP5V45XFAP \
  | 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: 7b14bf3fd7cd11c1b10213fb5e76e503f32a044d345bde9334632f8d5c0f859a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd9b59ab3f45c7a60ad152883e4c869073e8a6cf0e5f008b60e9e268bb7df47",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-05T18:00:02Z",
    "title_canon_sha256": "ed158f0788049d1c351a60dc006c18d1ec485126f9729c13c073b895b4722e6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01663",
    "kind": "arxiv",
    "version": 1
  }
}