Pith Number

pith:XRQS3VIC

pith:2009:XRQS3VICTPN3UJCWZ7FJNDIPMY

not attested not anchored not stored refs pending

SDSS J092712.64+294344.0: recoiling black hole or merging galaxies?

M. Vivek, P. Noterdaeme, R. Srianand, V. C. Kuriakose, V. Mohan

arxiv:0909.0018 v1 · 2009-08-31 · 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{XRQS3VICTPN3UJCWZ7FJNDIPMY}

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	2026-05-18T02:12:12.468118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc612dd5029bdbba2456cfca968d0f660ad3d1f15427b70c4d72de3a37db5e6c

Aliases

arxiv: 0909.0018 · arxiv_version: 0909.0018v1 · doi: 10.48550/arxiv.0909.0018 · pith_short_12: XRQS3VICTPN3 · pith_short_16: XRQS3VICTPN3UJCW · pith_short_8: XRQS3VIC

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/XRQS3VICTPN3UJCWZ7FJNDIPMY \
  | 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: bc612dd5029bdbba2456cfca968d0f660ad3d1f15427b70c4d72de3a37db5e6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b653587cc2e1237d68acbde16637bec63652ee4bb1cdc71138e725fd60db057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-31T20:04:36Z",
    "title_canon_sha256": "5f9dd19d512f3239cd16ec5d124be30e39dc702e6869e9e22a615b6ce4ab9da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0018",
    "kind": "arxiv",
    "version": 1
  }
}