Pith Number

pith:JNDIDYW5

pith:2025:JNDIDYW5SLECBGBNVPDBPXI67Q

not attested not anchored not stored refs pending

Changing Look AGN: A study of Optical/UV and the Highly Ionized Fe K$\alpha$ X-ray Line Flux Variations Using Photo-Ionization Simulations

Agata Rozanska, Krzysztof Hryniewicz, Santanu Mondal, Tek P. Adhikari, Zhicheng He

arxiv:2506.03540 v1 · 2025-06-04 · astro-ph.GA · 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{JNDIDYW5SLECBGBNVPDBPXI67Q}

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	2026-07-05T11:40:34.518000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b4681e2dd92c820982dabc617dd1efc323e58c27a035047b58c2f3b25de709b

Aliases

arxiv: 2506.03540 · arxiv_version: 2506.03540v1 · doi: 10.48550/arxiv.2506.03540 · pith_short_12: JNDIDYW5SLEC · pith_short_16: JNDIDYW5SLECBGBN · pith_short_8: JNDIDYW5

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/JNDIDYW5SLECBGBNVPDBPXI67Q \
  | 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: 4b4681e2dd92c820982dabc617dd1efc323e58c27a035047b58c2f3b25de709b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b331f452f73dee533228ac09909402210fe4e59df704995f79840dd385f766",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-04T03:49:43Z",
    "title_canon_sha256": "20bf0dfedc6c6a65002b532f2de97b255de9da2da09ffde9499afe2deb653d5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.03540",
    "kind": "arxiv",
    "version": 1
  }
}