Pith Number

pith:RJQ4SCAZ

pith:2009:RJQ4SCAZSBUJDSTP7L22TSEZXY

not attested not anchored not stored refs pending

Simulating the Universe with MICE: The abundance of massive clusters

Enrique Gaztanaga (Institut de Ciencies de l'Espai, Francisco J. Castander, IEEC-CSIC), Martin Crocce, Pablo Fosalba

arxiv:0907.0019 v2 · 2009-06-30 · 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{RJQ4SCAZSBUJDSTP7L22TSEZXY}

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	2026-05-18T02:13:11.606386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a61c90819906891ca6ffaf5a9c899be2f8a6489910e58c363d534c9b673f2f9

Aliases

arxiv: 0907.0019 · arxiv_version: 0907.0019v2 · doi: 10.48550/arxiv.0907.0019 · pith_short_12: RJQ4SCAZSBUJ · pith_short_16: RJQ4SCAZSBUJDSTP · pith_short_8: RJQ4SCAZ

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/RJQ4SCAZSBUJDSTP7L22TSEZXY \
  | 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: 8a61c90819906891ca6ffaf5a9c899be2f8a6489910e58c363d534c9b673f2f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be93948c95e59ffcb6211fe4717c9c3be94f52f58f6aecc12f4bdae66b631ca1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-30T22:25:43Z",
    "title_canon_sha256": "42c8ed75c80ea5a90cbb3777b493660c09e119b9f4c7d534815057857582d225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0019",
    "kind": "arxiv",
    "version": 2
  }
}