Pith Number

pith:OIFPGN4W

pith:2004:OIFPGN4WFAKWXBSEY23L7V5JU6

not attested not anchored not stored refs pending

Supersonic Motions of Galaxies in Clusters

(2) U.Chicago, 3, (3) AIP, 4), (4) UC Santa Cruz), Andreas Faltenbacher (1, Andrey V. Kravtsov (2), Daisuke Nagai (2), KICP, Potsdam, Stefan Gottloeber (3) ((1) Hebrew University

arxiv:astro-ph/0408488 v2 · 2004-08-25 · 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{OIFPGN4WFAKWXBSEY23L7V5JU6}

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	2026-05-18T04:22:21.076563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

720af3379628156b8644c6b6bfd7a9a79ac06f00678c2555be47d1b4772ce539

Aliases

arxiv: astro-ph/0408488 · arxiv_version: astro-ph/0408488v2 · doi: 10.48550/arxiv.astro-ph/0408488 · pith_short_12: OIFPGN4WFAKW · pith_short_16: OIFPGN4WFAKWXBSE · pith_short_8: OIFPGN4W

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/OIFPGN4WFAKWXBSEY23L7V5JU6 \
  | 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: 720af3379628156b8644c6b6bfd7a9a79ac06f00678c2555be47d1b4772ce539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c77801865216938cc49ed72a137c895c7072cea667ca28a58286a9a917a490",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-25T20:00:24Z",
    "title_canon_sha256": "e04245d56e4a2a82ff24a641896c2bc8a4b6a2a1442099ee213d0ca86579595a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408488",
    "kind": "arxiv",
    "version": 2
  }
}