Pith Number

pith:K2OL7HTP

pith:2015:K2OL7HTPEYTILWXLUR5UGRIDG6

not attested not anchored not stored refs pending

Quasi-periodicities at year-like timescales in Blazars

Aldo Treves, Angela Sandrinelli, Massimo Dotti, Stefano Covino

arxiv:1512.04561 v1 · 2015-12-14 · 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{K2OL7HTPEYTILWXLUR5UGRIDG6}

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	2026-05-18T01:20:41.034303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

569cbf9e6f262685daeba47b434503378bb9dc86e8445e9190b3e01e03f3e505

Aliases

arxiv: 1512.04561 · arxiv_version: 1512.04561v1 · doi: 10.48550/arxiv.1512.04561 · pith_short_12: K2OL7HTPEYTI · pith_short_16: K2OL7HTPEYTILWXL · pith_short_8: K2OL7HTP

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/K2OL7HTPEYTILWXLUR5UGRIDG6 \
  | 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: 569cbf9e6f262685daeba47b434503378bb9dc86e8445e9190b3e01e03f3e505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce8b1d281a5d3356d6ad604970802a423aa1c5fdc154ade0a824e21e3d7dc7f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-14T21:30:42Z",
    "title_canon_sha256": "5e1e8786c58c84de2999b68c5033a9c3561c2f93f790771ab57b827be1c02762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04561",
    "kind": "arxiv",
    "version": 1
  }
}