Pith Number

pith:LMOTYZXF

pith:2009:LMOTYZXFKGM23FT34TFTCPYMD3

not attested not anchored not stored refs pending

The Quasar SDSS J105041.35+345631.3: Black Hole Recoil or Extreme Double-Peaked Emitter?

A. A. Dutton, D. J. Rosario, E. Ramirez-Ruiz, E. W. Bonning, G. A. Shields, J. S. Kalirai, K. L. Smith, P. J. Marshall, R. Strickler, S. Salviander, T. Treu

arxiv:0907.3470 v2 · 2009-07-20 · 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{LMOTYZXFKGM23FT34TFTCPYMD3}

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	2026-05-18T02:12:55.446600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b1d3c66e55199ad967be4cb313f0c1ec289742477c4011be79b7193368cb591

Aliases

arxiv: 0907.3470 · arxiv_version: 0907.3470v2 · doi: 10.48550/arxiv.0907.3470 · pith_short_12: LMOTYZXFKGM2 · pith_short_16: LMOTYZXFKGM23FT3 · pith_short_8: LMOTYZXF

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/LMOTYZXFKGM23FT34TFTCPYMD3 \
  | 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: 5b1d3c66e55199ad967be4cb313f0c1ec289742477c4011be79b7193368cb591

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fac6646c5b05657631f82991c3276d544b4d0f632916cee85b065ce49d04c7b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-20T19:28:57Z",
    "title_canon_sha256": "de6b6142f5a8a60dbe476cf1dbbc4b03ca5ced14cc7b4d6222ca2da309934f22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3470",
    "kind": "arxiv",
    "version": 2
  }
}