Pith Number

pith:KWQSHWKM

pith:2004:KWQSHWKMQ6XZNOBNQWNHPXTQLL

not attested not anchored not stored refs pending

Constraints from Gravitational Recoil on the Growth of Supermassive Black Holes at High Redshift

Zoltan Haiman (Columbia University)

arxiv:astro-ph/0404196 v1 · 2004-04-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWQSHWKMQ6XZNOBNQWNHPXTQLL}

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	2026-07-04T16:43:33.185936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55a123d94c87af96b82d859a77de705acc42e64a220d3748a7ed483658a57402

Aliases

arxiv: astro-ph/0404196 · arxiv_version: astro-ph/0404196v1 · doi: 10.48550/arxiv.astro-ph/0404196 · pith_short_12: KWQSHWKMQ6XZ · pith_short_16: KWQSHWKMQ6XZNOBN · pith_short_8: KWQSHWKM

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/KWQSHWKMQ6XZNOBNQWNHPXTQLL \
  | 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: 55a123d94c87af96b82d859a77de705acc42e64a220d3748a7ed483658a57402

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "443cdb30b948ff8d8dd0ca26c7f35bc6bd3f05f27ae47d2623f8185c999c1edd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-08T20:54:09Z",
    "title_canon_sha256": "347dddf2cd5234cad113ccdba0e9c62c149a46d82a4c36ddc4d08aa89b2d4173"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404196",
    "kind": "arxiv",
    "version": 1
  }
}