Pith Number

pith:YD23HBLI

pith:2022:YD23HBLIW22IWLHM6DPEUHST3W

not attested not anchored not stored refs pending

Accretion Disk Size Measurements of Active Galactic Nuclei Monitored by the Zwicky Transient Facility

Jian-Min Wang, Luis C. Ho, Wei-Jian Guo, Yan-Rong Li, Zhi-Xiang Zhang

arxiv:2201.08533 v1 · 2022-01-21 · 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{YD23HBLIW22IWLHM6DPEUHST3W}

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	2026-07-05T04:15:55.370309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0f5b38568b6b48b2cecf0de4a1e53ddbe07bc2ab518f3ea536a4c9fc19165e5

Aliases

arxiv: 2201.08533 · arxiv_version: 2201.08533v1 · doi: 10.48550/arxiv.2201.08533 · pith_short_12: YD23HBLIW22I · pith_short_16: YD23HBLIW22IWLHM · pith_short_8: YD23HBLI

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/YD23HBLIW22IWLHM6DPEUHST3W \
  | 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: c0f5b38568b6b48b2cecf0de4a1e53ddbe07bc2ab518f3ea536a4c9fc19165e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4514b129126608fba189c3535a3091e0be30a018b9b8b4f4f84b24c0660d38d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-21T03:59:21Z",
    "title_canon_sha256": "075e190e337b1cb7a1d5430ba393e17f120b8a4264395d842c75e8c279326786"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.08533",
    "kind": "arxiv",
    "version": 1
  }
}