Pith Number

pith:2PIK7QI4

pith:2024:2PIK7QI4FFKRVFPQ2ZHAKDSI2B

not attested not anchored not stored refs pending

The Physical Properties of Changing-look Blazars

Bing Lyu, Junhui Fan, Qingwen Wu, Shi-Ju Kang, Yong-Gang Zheng

arxiv:2403.00078 v1 · 2024-02-29 · 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{2PIK7QI4FFKRVFPQ2ZHAKDSI2B}

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	2026-07-05T07:50:58.163247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3d0afc11c29551a95f0d64e050e48d0789c946426de24226bb52cd6b81e0e0f

Aliases

arxiv: 2403.00078 · arxiv_version: 2403.00078v1 · doi: 10.48550/arxiv.2403.00078 · pith_short_12: 2PIK7QI4FFKR · pith_short_16: 2PIK7QI4FFKRVFPQ · pith_short_8: 2PIK7QI4

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/2PIK7QI4FFKRVFPQ2ZHAKDSI2B \
  | 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: d3d0afc11c29551a95f0d64e050e48d0789c946426de24226bb52cd6b81e0e0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3617d0357aded87015b5de666db23c4703aa18779b6f9bb673a24875a62e85c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-02-29T19:10:43Z",
    "title_canon_sha256": "abd7e00f26cd187888b3e1b348ed28c935bd9b35cc8116583afb6091db7dee09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.00078",
    "kind": "arxiv",
    "version": 1
  }
}