Pith Number

pith:PKIHX5DJ

pith:2010:PKIHX5DJMV3FV7WAKAH2HI3PAM

not attested not anchored not stored refs pending

Primordial density perturbations with running spectral index: impact on non-linear cosmic structures

C. Fedeli, F. Finelli, L. Moscardini

arxiv:1002.1882 v2 · 2010-02-09 · 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{PKIHX5DJMV3FV7WAKAH2HI3PAM}

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	2026-05-18T02:09:10.766019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a907bf46965765afec0500fa3a36f031cd9c7ef96a645124dbb16e1cf35a1d8

Aliases

arxiv: 1002.1882 · arxiv_version: 1002.1882v2 · doi: 10.48550/arxiv.1002.1882 · pith_short_12: PKIHX5DJMV3F · pith_short_16: PKIHX5DJMV3FV7WA · pith_short_8: PKIHX5DJ

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/PKIHX5DJMV3FV7WAKAH2HI3PAM \
  | 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: 7a907bf46965765afec0500fa3a36f031cd9c7ef96a645124dbb16e1cf35a1d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02b23c44f21f1599066a420ddd4b7ba09f1255abbe25ccf3a4e1ee8689d36df6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-09T15:27:26Z",
    "title_canon_sha256": "5377f80ee427882f628513ae57f6238041b844a67444ac220e7b027fe77325c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1882",
    "kind": "arxiv",
    "version": 2
  }
}