Pith Number

pith:QYC4HCTF

pith:1998:QYC4HCTFFBGHMSLQKLGVP724XF

not attested not anchored not stored refs pending

Group-cluster merging and the formation of starburst galaxies

Kenji Bekki

arxiv:astro-ph/9811117 v1 · 1998-11-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QYC4HCTFFBGHMSLQKLGVP724XF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:07:36.880151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8605c38a65284c76497052cd57ff5cb946015c43b8cb9aea8de8bd0c9b6fb0a7

Aliases

arxiv: astro-ph/9811117 · arxiv_version: astro-ph/9811117v1 · doi: 10.48550/arxiv.astro-ph/9811117 · pith_short_12: QYC4HCTFFBGH · pith_short_16: QYC4HCTFFBGHMSLQ · pith_short_8: QYC4HCTF

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/QYC4HCTFFBGHMSLQKLGVP724XF \
  | 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: 8605c38a65284c76497052cd57ff5cb946015c43b8cb9aea8de8bd0c9b6fb0a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a023f178b7b58b8dbbadfca62a5707765535cc93b9bdabc86c5ceac93b456043",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-08T08:13:57Z",
    "title_canon_sha256": "65912fa36c76c2a44744b70cb4645c16a89a021c657720d00d0e15a6583e254d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811117",
    "kind": "arxiv",
    "version": 1
  }
}