Pith Number

pith:22TC3ZZC

pith:2023:22TC3ZZCPT2PJKCJMWPAUA57GF

not attested not anchored not stored refs pending

Steep Balmer decrement in weak AGNs may be not caused by dust extinction: clues from low-luminosity AGNs and changing-look AGNs

Bing Lyu, Hanrui Xue, Jiancheng Wu, Qingwen Wu, Weihua Lei

arxiv:2304.09435 v1 · 2023-04-19 · 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{22TC3ZZCPT2PJKCJMWPAUA57GF}

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	2026-07-05T06:02:38.497804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6a62de7227cf4f4a849659e0a03bf3143fa216b7b56bba8fb20a656b59591ab

Aliases

arxiv: 2304.09435 · arxiv_version: 2304.09435v1 · doi: 10.48550/arxiv.2304.09435 · pith_short_12: 22TC3ZZCPT2P · pith_short_16: 22TC3ZZCPT2PJKCJ · pith_short_8: 22TC3ZZC

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/22TC3ZZCPT2PJKCJMWPAUA57GF \
  | 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: d6a62de7227cf4f4a849659e0a03bf3143fa216b7b56bba8fb20a656b59591ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05f96821ee3a63e6951a57aee40c5a0ea307a05eb0335f05b89e43e4d37a68d9",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-04-19T06:01:23Z",
    "title_canon_sha256": "17de47b495da6a27665aae54c11f833834e4370acf8e43a1a1a996ea35bdb8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.09435",
    "kind": "arxiv",
    "version": 1
  }
}