Pith Number

pith:MX5OPR6F

pith:2008:MX5OPR6FXMQB3JQXAVPX3JLSWP

not attested not anchored not stored refs pending

Hydrodynamical N-body simulations of coupled dark energy cosmologies

Garching), Georg Robbers (ITP, Heidelberg), Marco Baldi (MPA, Valeria Pettorino (ITP, Volker Springel (MPA

arxiv:0812.3901 v2 · 2008-12-20 · 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{MX5OPR6FXMQB3JQXAVPX3JLSWP}

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	2026-05-18T02:35:08.642799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65fae7c7c5bb201da617055f7da572b3e5f5996dec0d1350e3b402c608758d97

Aliases

arxiv: 0812.3901 · arxiv_version: 0812.3901v2 · doi: 10.48550/arxiv.0812.3901 · pith_short_12: MX5OPR6FXMQB · pith_short_16: MX5OPR6FXMQB3JQX · pith_short_8: MX5OPR6F

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/MX5OPR6FXMQB3JQXAVPX3JLSWP \
  | 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: 65fae7c7c5bb201da617055f7da572b3e5f5996dec0d1350e3b402c608758d97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d4cbd7aa8728a9a27dab09c7e4caecef5a7e87b0c45cff735bba3929c030f68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-20T15:03:15Z",
    "title_canon_sha256": "0762e6afc413290c216d5feffc7abfbbbd9e3b13163d080c9eb86545c7784554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3901",
    "kind": "arxiv",
    "version": 2
  }
}