Pith Number

pith:XIV352NU

pith:2009:XIV352NUFZE44VTEUXXDHCVC2Q

not attested not anchored not stored refs pending

Power spectrum for the small-scale Universe

Evan Scannapieco, Lawrence M. Widrow, Mark Richardson, Pascal J. Elahi, Robert J. Thacker

arxiv:0901.4576 v2 · 2009-01-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIV352NUFZE44VTEUXXDHCVC2Q}

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	2026-05-18T02:14:55.343139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba2bbee9b42e49ce5664a5ee338aa2d4300c784f11976aab296a376b16b35e6b

Aliases

arxiv: 0901.4576 · arxiv_version: 0901.4576v2 · doi: 10.48550/arxiv.0901.4576 · pith_short_12: XIV352NUFZE4 · pith_short_16: XIV352NUFZE44VTE · pith_short_8: XIV352NU

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/XIV352NUFZE44VTEUXXDHCVC2Q \
  | 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: ba2bbee9b42e49ce5664a5ee338aa2d4300c784f11976aab296a376b16b35e6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae6ed241f4028c2a486274f2d184e906abfebbf2c656a8343c69f0d60dd3dc7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-01-28T22:59:55Z",
    "title_canon_sha256": "87883a6da3a03585a063a104d2a91674bba0ad2fe7718823bf327755146e9fd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4576",
    "kind": "arxiv",
    "version": 2
  }
}