Pith Number

pith:ALDT4YJT

pith:2017:ALDT4YJTUSPT7YERL2WYWG6432

not attested not anchored not stored refs pending

Lighthouse in the Dust: Infrared Echoes of Periodic Emission from Massive Black Hole Binaries

Daniel J. D'Orazio, Zoltan Haiman

arxiv:1702.01219 v2 · 2017-02-04 · 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{ALDT4YJTUSPT7YERL2WYWG6432}

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	2026-05-18T00:40:34.904226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02c73e6133a49f3fe0915ead8b1bdcdeae661467b36761ca8c7b90d5d728eed2

Aliases

arxiv: 1702.01219 · arxiv_version: 1702.01219v2 · doi: 10.48550/arxiv.1702.01219 · pith_short_12: ALDT4YJTUSPT · pith_short_16: ALDT4YJTUSPT7YER · pith_short_8: ALDT4YJT

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/ALDT4YJTUSPT7YERL2WYWG6432 \
  | 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: 02c73e6133a49f3fe0915ead8b1bdcdeae661467b36761ca8c7b90d5d728eed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98457c3ccfa2760b98c1b0b967d03e2c483563a4f428acc42d89cf04dff586eb",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-04T01:31:17Z",
    "title_canon_sha256": "9971e772bcaba772929d34690efb2c884df3843b3475231567851bb7168aa837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01219",
    "kind": "arxiv",
    "version": 2
  }
}