Pith Number

pith:ORXGHNF3

pith:2007:ORXGHNF3DCRC3GUT5K6ZVA4STJ

not attested not anchored not stored refs pending

Simulating the Bullet Cluster

Andreas Burkert (USM, Chiara Mastropietro, Munich)

arxiv:0711.0967 v1 · 2007-11-06 · 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{ORXGHNF3DCRC3GUT5K6ZVA4STJ}

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	2026-07-04T17:06:32.995971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

746e63b4bb18a22d9a93eabd9a83929a678cef8f947613fa58f8b3f2d5e2e00c

Aliases

arxiv: 0711.0967 · arxiv_version: 0711.0967v1 · doi: 10.48550/arxiv.0711.0967 · pith_short_12: ORXGHNF3DCRC · pith_short_16: ORXGHNF3DCRC3GUT · pith_short_8: ORXGHNF3

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/ORXGHNF3DCRC3GUT5K6ZVA4STJ \
  | 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: 746e63b4bb18a22d9a93eabd9a83929a678cef8f947613fa58f8b3f2d5e2e00c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cceeb14ac4a65731ae5bcb528dc9620c48e03686b83df76c47fe8d68759e5615",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-06T22:07:31Z",
    "title_canon_sha256": "48ce511246a5f0327a6dc55169a47e8354eb13da52f9794c410792c5395365fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0967",
    "kind": "arxiv",
    "version": 1
  }
}