Pith Number

pith:37OMMKDR

pith:2018:37OMMKDR5JDMTJMRYKYGNUDLNB

not attested not anchored not stored refs pending

A falling Corona model for the anomalous behavior of the broad emission lines in NGC 5548

Hengxiao Guo (UIUC), Mouyuan Sun (USTC), Yongquan Xue (USTC), Zhenyi Cai (USTC)

arxiv:1803.06090 v1 · 2018-03-16 · astro-ph.HE · 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{37OMMKDR5JDMTJMRYKYGNUDLNB}

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	2026-05-18T00:17:04.007954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfdcc62871ea46c9a591c2b066d06b686b1ae8bbde39aad2ac3b77f40d5e8879

Aliases

arxiv: 1803.06090 · arxiv_version: 1803.06090v1 · doi: 10.48550/arxiv.1803.06090 · pith_short_12: 37OMMKDR5JDM · pith_short_16: 37OMMKDR5JDMTJMR · pith_short_8: 37OMMKDR

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/37OMMKDR5JDMTJMRYKYGNUDLNB \
  | 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: dfdcc62871ea46c9a591c2b066d06b686b1ae8bbde39aad2ac3b77f40d5e8879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71319cedbe34ea3b41d62d596e4d65d50f31150c348fa9a0b95986d37d9d2b00",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-16T06:44:38Z",
    "title_canon_sha256": "c9200259103326887c87ade85c36da8396ec6c553faef6dbf9b4b911c73f9fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06090",
    "kind": "arxiv",
    "version": 1
  }
}