Pith Number

pith:XVP362FK

pith:2026:XVP362FKVGKYQDI75FYPDOPIYS

not attested not anchored not stored refs pending

Tracing black hole and galaxy growth across environments since cosmic noon

Colin J. Burke, Emma Jane Weller, Priyamvada Natarajan, Shashank Dattathri

arxiv:2607.07793 v1 · 2026-07-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVP362FKVGKYQDI75FYPDOPIYS}

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	2026-07-10T00:18:59.355618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd5fbf68aaa995880d1fe970f1b9e8c4b280764ad558280cf52af3b3dd3299a5

Aliases

arxiv: 2607.07793 · arxiv_version: 2607.07793v1 · doi: 10.48550/arxiv.2607.07793 · pith_short_12: XVP362FKVGKY · pith_short_16: XVP362FKVGKYQDI7 · pith_short_8: XVP362FK

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/XVP362FKVGKYQDI75FYPDOPIYS \
  | 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: bd5fbf68aaa995880d1fe970f1b9e8c4b280764ad558280cf52af3b3dd3299a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2116a687d62eb7dc6da8289a968c4b0c314cd940fd200a24effbd95fe462fb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-08T18:00:01Z",
    "title_canon_sha256": "0d1715fb49af85c0ddd1be527c7fe49ecd307bd7a121a1e1a911d43059dd8fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07793",
    "kind": "arxiv",
    "version": 1
  }
}