Pith Number

pith:BKNNTDK2

pith:2008:BKNNTDK2KO7WLOUGN56RE44B7F

not attested not anchored not stored refs pending

Interactions of Galaxies in the Galaxy Cluster Environment

Changbom Park, Ho Seong Hwang (Korea Institute for Advanced Study)

arxiv:0812.2088 v2 · 2008-12-11 · 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{BKNNTDK2KO7WLOUGN56RE44B7F}

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	2026-05-18T02:15:10.894124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9ad98d5a53bf65ba866f7d127381f96878cac8ca99c41d189dfd057d1e3ef8

Aliases

arxiv: 0812.2088 · arxiv_version: 0812.2088v2 · doi: 10.48550/arxiv.0812.2088 · pith_short_12: BKNNTDK2KO7W · pith_short_16: BKNNTDK2KO7WLOUG · pith_short_8: BKNNTDK2

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/BKNNTDK2KO7WLOUGN56RE44B7F \
  | 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: 0a9ad98d5a53bf65ba866f7d127381f96878cac8ca99c41d189dfd057d1e3ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e26c96035228c8d24279c77c98264ec7e29b47a7e3c894ad864a072cc85ea40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-11T06:57:28Z",
    "title_canon_sha256": "d7f7c2084db822a15965b2da75617f0ed05b45205be9c4da43d099b2e5e1d4de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2088",
    "kind": "arxiv",
    "version": 2
  }
}