Pith Number

pith:PMKYQERB

pith:2022:PMKYQERBTCMOCZ2IU45223UTNO

not attested not anchored not stored refs pending

Velocity-resolved Reverberation Mapping of Changing-look Active Galactic Nucleus NGC~4151 During Outburst Stage: Evidence for Kinematics Evolution of Broad-line Region

Hai-Cheng Feng, H. T. Liu, Jian-guo Wang, J. M. Bai, Kai-Xing Lu, Rui Li, Sha-Sha Li, Ying-Ke Huang, Zhi-Xiang Zhang

arxiv:2208.02966 v1 · 2022-08-05 · 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{PMKYQERBTCMOCZ2IU45223UTNO}

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	2026-07-05T04:55:06.014491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b158812219898e16748a73bad6e936bac3b3627adf7361c63ac795a44f23f5b

Aliases

arxiv: 2208.02966 · arxiv_version: 2208.02966v1 · doi: 10.48550/arxiv.2208.02966 · pith_short_12: PMKYQERBTCMO · pith_short_16: PMKYQERBTCMOCZ2I · pith_short_8: PMKYQERB

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/PMKYQERBTCMOCZ2IU45223UTNO \
  | 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: 7b158812219898e16748a73bad6e936bac3b3627adf7361c63ac795a44f23f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "238f8325cecb269da615d49a5d6a09c301e2cec5aca1b082b22b07deae98720a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-08-05T03:31:09Z",
    "title_canon_sha256": "420ec03694f8f44ebba38505c31251277822aba3e608b831f677c31ec8fe5386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.02966",
    "kind": "arxiv",
    "version": 1
  }
}