Pith Number

pith:I5DN2L5J

pith:2019:I5DN2L5JQDAE3W4IMP42HDT3E5

not attested not anchored not stored refs pending

Kinematic signatures of reverberation mapping of close binaries of supermassive black holes in active galactic nuclei. II. Atlas of two-dimensional transfer functions

Jian-Min Wang, Luis C. Ho, Ming Xiao, Yu-Yang Songsheng

arxiv:1912.12965 v1 · 2019-12-30 · 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{I5DN2L5JQDAE3W4IMP42HDT3E5}

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	2026-07-05T00:45:17.961430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4746dd2fa980c04ddb8863f9a38e7b276f697249bd634e789b1884035deaea44

Aliases

arxiv: 1912.12965 · arxiv_version: 1912.12965v1 · doi: 10.48550/arxiv.1912.12965 · pith_short_12: I5DN2L5JQDAE · pith_short_16: I5DN2L5JQDAE3W4I · pith_short_8: I5DN2L5J

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/I5DN2L5JQDAE3W4IMP42HDT3E5 \
  | 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: 4746dd2fa980c04ddb8863f9a38e7b276f697249bd634e789b1884035deaea44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406c79205a1d4da9bdf30a90b5a871d787d4060ec388d371da94f57c4799960a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-12-30T15:26:24Z",
    "title_canon_sha256": "f7a4d814c26445ebd8e1a04d54acb71705518b63e78c2bf76ccc6ef132140643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12965",
    "kind": "arxiv",
    "version": 1
  }
}