Pith Number

pith:3H26GNK2

pith:2022:3H26GNK2FBNMGER2M3KJSYRYOS

not attested not anchored not stored refs pending

The buildup of galaxies and their spheroids: the contributions of mergers, disc instabilities and star formation

Carlton M. Baugh (1) ((1) ICC, Cedric G. Lacey (1), Durham), Filip Hu\v{s}ko (1)

arxiv:2207.07139 v2 · 2022-07-14 · 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{3H26GNK2FBNMGER2M3KJSYRYOS}

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	2026-07-05T05:16:20.817187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9f5e3355a285ac3123a66d499623874b6284822feefd2fc87ed786060c38992

Aliases

arxiv: 2207.07139 · arxiv_version: 2207.07139v2 · doi: 10.48550/arxiv.2207.07139 · pith_short_12: 3H26GNK2FBNM · pith_short_16: 3H26GNK2FBNMGER2 · pith_short_8: 3H26GNK2

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/3H26GNK2FBNMGER2M3KJSYRYOS \
  | 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: d9f5e3355a285ac3123a66d499623874b6284822feefd2fc87ed786060c38992

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810c1e8d0d09d9b18243c1100f8d12894f8c97ea32dc5ed3de77fe9a9d9cc6c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-07-14T18:01:00Z",
    "title_canon_sha256": "e66b326ced0211417b3245a86e17b93837caf392caec313049695e005da19028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.07139",
    "kind": "arxiv",
    "version": 2
  }
}