Pith Number

pith:IJBWYWPF

pith:2011:IJBWYWPFX7A7UE6VEG22UG6ARM

not attested not anchored not stored refs pending

A VLBA search for binary black holes in active galactic nuclei with double-peaked optical emission line spectra

R. B. Wayth, S. J. Tingay

arxiv:1103.2597 v1 · 2011-03-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJBWYWPFX7A7UE6VEG22UG6ARM}

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	2026-05-18T02:02:53.955246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42436c59e5bfc1fa13d521b5aa1bc08b345c02fb886c30cda932449d22a9bab1

Aliases

arxiv: 1103.2597 · arxiv_version: 1103.2597v1 · doi: 10.48550/arxiv.1103.2597 · pith_short_12: IJBWYWPFX7A7 · pith_short_16: IJBWYWPFX7A7UE6V · pith_short_8: IJBWYWPF

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/IJBWYWPFX7A7UE6VEG22UG6ARM \
  | 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: 42436c59e5bfc1fa13d521b5aa1bc08b345c02fb886c30cda932449d22a9bab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f63c0695d9d78bb52e970a2b39b95cdfa3e1988fb37933828af1728a82c1dc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-14T07:53:58Z",
    "title_canon_sha256": "92afd6d45c5f165526cfb7685a0774fef564c1a513de442acc716b3da04dba7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2597",
    "kind": "arxiv",
    "version": 1
  }
}