Pith Number

pith:BDV5324Y

pith:2022:BDV5324YIBTYM563XLNQEK3ZMQ

not attested not anchored not stored refs pending

An empirical approach to selecting the first growing black hole seeds with JWST/NIRCam

Andy D. Goulding, Jenny E. Greene

arxiv:2208.02822 v2 · 2022-08-04 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDV5324YIBTYM563XLNQEK3ZMQ}

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	2026-07-05T05:51:41.235048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ebddeb9840678677dbbadb022b79641e5f4f52f4036ae7991fe63d43915e8c

Aliases

arxiv: 2208.02822 · arxiv_version: 2208.02822v2 · doi: 10.48550/arxiv.2208.02822 · pith_short_12: BDV5324YIBTY · pith_short_16: BDV5324YIBTYM563 · pith_short_8: BDV5324Y

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/BDV5324YIBTYM563XLNQEK3ZMQ \
  | 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: 08ebddeb9840678677dbbadb022b79641e5f4f52f4036ae7991fe63d43915e8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27c679d0995ce16e9d8c55f88f0ca8e35796590591bc20fb6c0c67762219eac2",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-08-04T18:00:00Z",
    "title_canon_sha256": "87b2d796584706c4693699e260c01566bc2c716899d42807e127cad5a6658b53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.02822",
    "kind": "arxiv",
    "version": 2
  }
}