Pith Number

pith:NUUHDSIO

pith:2003:NUUHDSIOXRIJKB3STKDOYZ6QX3

not attested not anchored not stored refs pending

Non-linear perturbations in scalar-tensor cosmologies

C. Schimd, F. Perrotta, M. Pietroni, S. Matarrese

arxiv:astro-ph/0310359 v2 · 2003-10-14 · 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{NUUHDSIOXRIJKB3STKDOYZ6QX3}

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	2026-07-04T16:37:32.109573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d2871c90ebc509507729a86ec67d0bedbdef8ba0687d52024b6c13c48536c04

Aliases

arxiv: astro-ph/0310359 · arxiv_version: astro-ph/0310359v2 · doi: 10.48550/arxiv.astro-ph/0310359 · pith_short_12: NUUHDSIOXRIJ · pith_short_16: NUUHDSIOXRIJKB3S · pith_short_8: NUUHDSIO

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/NUUHDSIOXRIJKB3STKDOYZ6QX3 \
  | 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: 6d2871c90ebc509507729a86ec67d0bedbdef8ba0687d52024b6c13c48536c04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27bddda3874d63b6b3adfbac4e30a51a7f9b9efe67a54aa1a458fd21e3e4ed07",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-10-14T11:33:42Z",
    "title_canon_sha256": "95a8f04f203d720ba21885a83dfc320d89fd646164a0aa449c01d5e90febfe34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0310359",
    "kind": "arxiv",
    "version": 2
  }
}