Pith Number

pith:IMG6ILFK

pith:2022:IMG6ILFKEQ6NLYJGKPC4USYPDF

not attested not anchored not stored refs pending

Accretion and Host-Galaxy Properties of 14 New "Changing-Look'' Active Galactic Nuclei Identified from the SDSS-V Survey

A. V. Filippenko, C. Gao, D. W. Xu, J. Wang, J. Y. Bai, T. G. Brink, W. K. Zheng

arxiv:2210.03928 v1 · 2022-10-08 · astro-ph.CO · 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{IMG6ILFKEQ6NLYJGKPC4USYPDF}

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	2026-07-05T05:09:06.402286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

430de42caa243cd5e12653c5ca4b0f196cf095efb13d2f91e17b6567c4ab67d3

Aliases

arxiv: 2210.03928 · arxiv_version: 2210.03928v1 · doi: 10.48550/arxiv.2210.03928 · pith_short_12: IMG6ILFKEQ6N · pith_short_16: IMG6ILFKEQ6NLYJG · pith_short_8: IMG6ILFK

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/IMG6ILFKEQ6NLYJGKPC4USYPDF \
  | 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: 430de42caa243cd5e12653c5ca4b0f196cf095efb13d2f91e17b6567c4ab67d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1388f08372dbf46b93af09bb2e8603b3c5178066a4c85089cefdde1be6e961ad",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-10-08T05:44:39Z",
    "title_canon_sha256": "9a840020cae67c637ed6b5f376e75058ff6a2500c2e9589f4e04c5bcc1c2addd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.03928",
    "kind": "arxiv",
    "version": 1
  }
}