Pith Number

pith:IL5DNGWM

pith:2009:IL5DNGWMYXJNBR6NPJN43DY5XN

not attested not anchored not stored refs pending

An optimal basis system for cosmology: data analysis and new parameterisation

C. Mignone, M. Maturi

arxiv:0905.1590 v2 · 2009-05-11 · 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{IL5DNGWMYXJNBR6NPJN43DY5XN}

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	2026-05-18T04:32:56.051090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fa369accc5d2d0c7cd7a5bcd8f1dbb699f511631d47b77d1f24ea337474637

Aliases

arxiv: 0905.1590 · arxiv_version: 0905.1590v2 · doi: 10.48550/arxiv.0905.1590 · pith_short_12: IL5DNGWMYXJN · pith_short_16: IL5DNGWMYXJNBR6N · pith_short_8: IL5DNGWM

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/IL5DNGWMYXJNBR6NPJN43DY5XN \
  | 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: 42fa369accc5d2d0c7cd7a5bcd8f1dbb699f511631d47b77d1f24ea337474637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284280b873a607b8dc950dbdee5670cf118e618635b640974d37f6b2784390eb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-11T12:00:56Z",
    "title_canon_sha256": "5b0b71cb4277264ce9344aa37c361db0a902e7499ec21a28a885669b3539ac5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1590",
    "kind": "arxiv",
    "version": 2
  }
}