Pith Number

pith:DZF3Q2TF

pith:2023:DZF3Q2TF7YVOVJ4DI5WOL3DEOM

not attested not anchored not stored refs pending

On the Spectral Changes of OJ 287: The Lowest X-ray state Spectrum -- extended at Optical-UV and Hard at X-rays

Pankaj Kushwaha (IISER-Mohali)

arxiv:2305.16144 v2 · 2023-05-25 · 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{DZF3Q2TF7YVOVJ4DI5WOL3DEOM}

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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.

Cited by

1 paper in Pith

Spectral Energy Distribution Variability of the Blazar OJ 287 during 2009-2021

Receipt and verification

First computed	2026-07-05T12:06:57.417559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e4bb86a65fe2aeaa783476ce5ec647329d640ada30edabb5b8ca33ec9f93c2c

Aliases

arxiv: 2305.16144 · arxiv_version: 2305.16144v2 · doi: 10.48550/arxiv.2305.16144 · pith_short_12: DZF3Q2TF7YVO · pith_short_16: DZF3Q2TF7YVOVJ4D · pith_short_8: DZF3Q2TF

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/DZF3Q2TF7YVOVJ4DI5WOL3DEOM \
  | 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: 1e4bb86a65fe2aeaa783476ce5ec647329d640ada30edabb5b8ca33ec9f93c2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27ffd9211b7b4385b2075268ff53a548d2d754e12f8180757b8678a5f963c3f3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-05-25T15:17:22Z",
    "title_canon_sha256": "d5dca189468dcd0a81ae82581ab1fbedab80be4ecf3ddadabfa7595ce2a16987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.16144",
    "kind": "arxiv",
    "version": 2
  }
}