Pith Number

pith:HZB5YJ2M

pith:2018:HZB5YJ2M5AO45BRPBA2JDOZ2EE

not attested not anchored not stored refs pending

On Measuring the Variation of High Energy Cut-off in Active Galactic Nuclei

Fei-Fan Zhu (USTC), Ji-Xian Zhang, Jun-Xian Wang

arxiv:1806.10058 v1 · 2018-06-26 · 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{HZB5YJ2M5AO45BRPBA2JDOZ2EE}

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	2026-05-18T00:08:06.229098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e43dc274ce81dce862f083491bb3a211f5960d59ec8d0661aff275302f8ff28

Aliases

arxiv: 1806.10058 · arxiv_version: 1806.10058v1 · doi: 10.48550/arxiv.1806.10058 · pith_short_12: HZB5YJ2M5AO4 · pith_short_16: HZB5YJ2M5AO45BRP · pith_short_8: HZB5YJ2M

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/HZB5YJ2M5AO45BRPBA2JDOZ2EE \
  | 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: 3e43dc274ce81dce862f083491bb3a211f5960d59ec8d0661aff275302f8ff28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da514ee8b932132839d11ed0b497b6d604d21ec07e3fa62952a41859ca21c527",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-06-26T15:19:27Z",
    "title_canon_sha256": "a597c86070941b7ab171ebc4f641a19233185795b63108eeb6eff01522882452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10058",
    "kind": "arxiv",
    "version": 1
  }
}