Pith Number

pith:QLBYM2BC

pith:2009:QLBYM2BC2CGTERD2BG2OV75UFK

not attested not anchored not stored refs pending

The properties of satellite galaxies in simulations of galaxy formation

2), (2) Durham, 3) ((1) Tsukuba, (3) Antwerp), Adrian Jenkins (2), Carlos S. Frenk (2), Takashi Okamoto (1, Tom Theuns (2

arxiv:0909.0265 v3 · 2009-09-01 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLBYM2BC2CGTERD2BG2OV75UFK}

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	2026-05-18T02:24:47.440590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82c3866822d08d32447a09b4eaffb42a9583f222cea70c3d4b0849674c051a7c

Aliases

arxiv: 0909.0265 · arxiv_version: 0909.0265v3 · doi: 10.48550/arxiv.0909.0265 · pith_short_12: QLBYM2BC2CGT · pith_short_16: QLBYM2BC2CGTERD2 · pith_short_8: QLBYM2BC

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/QLBYM2BC2CGTERD2BG2OV75UFK \
  | 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: 82c3866822d08d32447a09b4eaffb42a9583f222cea70c3d4b0849674c051a7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d6bbc52d18dd4271dc06f70d972bfdf9a2599229d5cafdb887194f95f483b0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-01T20:24:05Z",
    "title_canon_sha256": "704c57cf96116367069096ea539090cb9dae1ba32fc15c2855cda0d2ffe62d1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0265",
    "kind": "arxiv",
    "version": 3
  }
}