Pith Number

pith:SDIVAXRI

pith:2022:SDIVAXRIOQCVQJF2GAVLUSE5WM

not attested not anchored not stored refs pending

Optical Spectral Variations of a Large Sample of Fermi Blazars

Wu Qi, Zhang Bing-Kai, Zhao Xiao-Yun

arxiv:2204.02034 v1 · 2022-04-05 · astro-ph.HE · astro-ph.GA · hep-ph

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\usepackage{pith}
\pithnumber{SDIVAXRIOQCVQJF2GAVLUSE5WM}

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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

The long-term optical flux variations of Compact Symmetric Objects

Receipt and verification

First computed	2026-07-05T04:11:35.797747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d1505e2874055824ba302aba489db3157cebc60047881971f02af3c89d35ff

Aliases

arxiv: 2204.02034 · arxiv_version: 2204.02034v1 · doi: 10.48550/arxiv.2204.02034 · pith_short_12: SDIVAXRIOQCV · pith_short_16: SDIVAXRIOQCVQJF2 · pith_short_8: SDIVAXRI

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/SDIVAXRIOQCVQJF2GAVLUSE5WM \
  | 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: 90d1505e2874055824ba302aba489db3157cebc60047881971f02af3c89d35ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d26f30a8a517c8439e76f76744f2110213db284bc4d48330e4fc0c7eaf26b0c1",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-04-05T07:48:03Z",
    "title_canon_sha256": "9aaf170e808abcace9ed6985d7aafa5d8492ef04160bc431099c9cbe028c3ab7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.02034",
    "kind": "arxiv",
    "version": 1
  }
}