Pith Number

pith:V5M3W36R

pith:2019:V5M3W36RH3ADVUOA6B3NOVDKEF

not attested not anchored not stored refs pending

Differential Interferometric Signatures of Close Binaries of Supermassive Black Holes in Active Galactic Nuclei

Jian-Min Wang, Pu Du, Yan-Rong Li, Yu-Yang Songsheng

arxiv:1903.08067 v3 · 2019-03-19 · astro-ph.GA · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V5M3W36RH3ADVUOA6B3NOVDKEF}

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	2026-07-05T00:01:45.003075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af59bb6fd13ec03ad1c0f076d7546a2170038e43f387557854b68a00f0eee86d

Aliases

arxiv: 1903.08067 · arxiv_version: 1903.08067v3 · doi: 10.48550/arxiv.1903.08067 · pith_short_12: V5M3W36RH3AD · pith_short_16: V5M3W36RH3ADVUOA · pith_short_8: V5M3W36R

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/V5M3W36RH3ADVUOA6B3NOVDKEF \
  | 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: af59bb6fd13ec03ad1c0f076d7546a2170038e43f387557854b68a00f0eee86d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "780b782edd05a8cc3de2c432430fe7c896eca9d2298bb4ed44e6ec42fcb3384d",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-19T15:50:37Z",
    "title_canon_sha256": "e637f99a0c34409e8015b5ad503139b0a269bcdb02dccd8df4afaf3d3a57f5bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08067",
    "kind": "arxiv",
    "version": 3
  }
}