Pith Number

pith:6OH4RHFD

pith:2008:6OH4RHFDFK2K7JLZ4WROTTORC2

not attested not anchored not stored refs pending

The halo merger rate in the Millennium Simulation and implications for observed galaxy merger fractions

A. Sternberg, N. Bouch\'e, R. Genzel, S. Genel, T. Naab

arxiv:0812.3154 v2 · 2008-12-16 · 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{6OH4RHFDFK2K7JLZ4WROTTORC2}

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	2026-05-18T04:37:34.411654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f38fc89ca32ab4afa579e5a2e9cdd116a16d156fcbb4ef3cf756ceb260b5c669

Aliases

arxiv: 0812.3154 · arxiv_version: 0812.3154v2 · doi: 10.48550/arxiv.0812.3154 · pith_short_12: 6OH4RHFDFK2K · pith_short_16: 6OH4RHFDFK2K7JLZ · pith_short_8: 6OH4RHFD

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/6OH4RHFDFK2K7JLZ4WROTTORC2 \
  | 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: f38fc89ca32ab4afa579e5a2e9cdd116a16d156fcbb4ef3cf756ceb260b5c669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91a37e13f8ddb1ecfacc2342f3a7f0b270f081b673395a2035d1f3d6cc664fae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-16T21:02:33Z",
    "title_canon_sha256": "f21d516054494102958bbcf8a26bb45074995f27da9b20148f55011d38704b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3154",
    "kind": "arxiv",
    "version": 2
  }
}