Pith Number

pith:72YAWENB

pith:2016:72YAWENB46CJ5EFK2HEVLBCGFZ

not attested not anchored not stored refs pending

The RINGO2 and DIPOL Optical Polarisation Catalogue of Blazars

A. Berdyugin, C. Mundell, E. Lindfors, G. P. Lamb, H. Jermak, I. A. Steele, K. Nilsson, L. Takalo, R. Reinthal, T. Hovatta, U. Barres de Almeida, V. Kadenius

arxiv:1608.08860 v1 · 2016-08-31 · astro-ph.HE · 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{72YAWENB46CJ5EFK2HEVLBCGFZ}

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	2026-05-18T01:04:40.970928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb00b11a1e7849e90aad1c95584462e4a3b6c276957c579a50ca9829e3846cb

Aliases

arxiv: 1608.08860 · arxiv_version: 1608.08860v1 · doi: 10.48550/arxiv.1608.08860 · pith_short_12: 72YAWENB46CJ · pith_short_16: 72YAWENB46CJ5EFK · pith_short_8: 72YAWENB

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/72YAWENB46CJ5EFK2HEVLBCGFZ \
  | 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: feb00b11a1e7849e90aad1c95584462e4a3b6c276957c579a50ca9829e3846cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e84bf6beaf90ac906f081ca423ae6a017c2677e328ee8b113bafeee8526375d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-08-31T14:00:30Z",
    "title_canon_sha256": "ad287374a2531b9b8b5216312289d754c0fc8024c5dcfb61acc835cd4c19c060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08860",
    "kind": "arxiv",
    "version": 1
  }
}