Pith Number

pith:IVXT4SEG

pith:2024:IVXT4SEGSSKTKX74UV5TWQQKI6

not attested not anchored not stored refs pending

Testing Colour-magnitude Pattern as A Method in the Search for Changing-Look AGNs

2. Aryabhatta Research Institute of Observational Sciences, 3. University of Science, 4. Yunnan Observatories), Alok C. Gupta, India, Jie Li (3), Ju-Jia Zhang (4), Karan Dogra (2), Li-tao Zhu, P. U. Devanand, Shun-hao Ji, Si-si Sun (1. Yunnan University, Technology of China, Zhongxiang Wang (1)

arxiv:2412.12420 v1 · 2024-12-17 · 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{IVXT4SEGSSKTKX74UV5TWQQKI6}

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	2026-07-05T09:50:14.667898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

456f3e48869495355ffca57b3b420a47b0d5b8f9be353cb9562b3d96166e873b

Aliases

arxiv: 2412.12420 · arxiv_version: 2412.12420v1 · doi: 10.48550/arxiv.2412.12420 · pith_short_12: IVXT4SEGSSKT · pith_short_16: IVXT4SEGSSKTKX74 · pith_short_8: IVXT4SEG

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/IVXT4SEGSSKTKX74UV5TWQQKI6 \
  | 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: 456f3e48869495355ffca57b3b420a47b0d5b8f9be353cb9562b3d96166e873b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca60e2d71009a713e90340064835c377ebb9469e3f6b5a1888da7ff443c414bf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-12-17T00:05:48Z",
    "title_canon_sha256": "28d758f92080dcbbf767e5a5a2b48c7811f9066eef20f1fa2f215cde7fc00e45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.12420",
    "kind": "arxiv",
    "version": 1
  }
}