Pith Number

pith:UV4XNNSV

pith:2009:UV4XNNSVYEZFJ5HRA47RF2K2QM

not attested not anchored not stored refs pending

A photometric study of the field around the candidate recoiling/binary black hole SDSS J092712.65+294344.0

M. Dotti, M.T. Reynolds, R. Decarli

arxiv:0904.2999 v1 · 2009-04-20 · 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{UV4XNNSVYEZFJ5HRA47RF2K2QM}

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	2026-05-18T02:13:58.917686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a57976b655c13254f4f1073f12e95a8338779958cab737eac0f61def2333ebcc

Aliases

arxiv: 0904.2999 · arxiv_version: 0904.2999v1 · doi: 10.48550/arxiv.0904.2999 · pith_short_12: UV4XNNSVYEZF · pith_short_16: UV4XNNSVYEZFJ5HR · pith_short_8: UV4XNNSV

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/UV4XNNSVYEZFJ5HRA47RF2K2QM \
  | 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: a57976b655c13254f4f1073f12e95a8338779958cab737eac0f61def2333ebcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d9e775ace96300b50f2dd2986481dbbecd5f51ba3c6493674ce31f4017df18a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-20T10:44:17Z",
    "title_canon_sha256": "7b694ffc1eb3e688cd4a577692fc60ab7f1ff90e3a6d9db632cd95129943970c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2999",
    "kind": "arxiv",
    "version": 1
  }
}