Pith Number

pith:7FJMSBHS

pith:2011:7FJMSBHSPFU5Q6XCDJ7MALQIYY

not attested not anchored not stored refs pending

Recoiling Black Holes in Merging Galaxies

Abraham Loeb, Lars Hernquist, Laura Blecha, Thomas J. Cox

arxiv:1103.3701 v1 · 2011-03-18 · 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{7FJMSBHSPFU5Q6XCDJ7MALQIYY}

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	2026-05-18T04:26:22.449372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f952c904f27969d87ae21a7ec02e08c60fa56285a606f8c1031c7b24544ad422

Aliases

arxiv: 1103.3701 · arxiv_version: 1103.3701v1 · doi: 10.48550/arxiv.1103.3701 · pith_short_12: 7FJMSBHSPFU5 · pith_short_16: 7FJMSBHSPFU5Q6XC · pith_short_8: 7FJMSBHS

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/7FJMSBHSPFU5Q6XCDJ7MALQIYY \
  | 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: f952c904f27969d87ae21a7ec02e08c60fa56285a606f8c1031c7b24544ad422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c72a173ea9af02a541138562a6363ee1e325f686a9df4c74799fdb85b1b0210",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-18T20:00:04Z",
    "title_canon_sha256": "3742b25a1eed1c847794793df61cfaa1d6ab70a978eba4e4b9b83a9b4637d2bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3701",
    "kind": "arxiv",
    "version": 1
  }
}