Pith Number

pith:FKKAWWBT

pith:2002:FKKAWWBTUPU6NNVZ7UDZYP3DFM

not attested not anchored not stored refs pending

Perturbations growth and bias during acceleration

Domenico Tocchini-Valentini (Osservatorio Astronomico di Roma), Luca Amendola

arxiv:astro-ph/0205545 v1 · 2002-05-31 · astro-ph · hep-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{FKKAWWBTUPU6NNVZ7UDZYP3DFM}

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	2026-07-04T14:12:02.287476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a940b5833a3e9e6b6b9fd079c3f632b2954f485e25e7a66a6ac0470dc257d2a

Aliases

arxiv: astro-ph/0205545 · arxiv_version: astro-ph/0205545v1 · doi: 10.48550/arxiv.astro-ph/0205545 · pith_short_12: FKKAWWBTUPU6 · pith_short_16: FKKAWWBTUPU6NNVZ · pith_short_8: FKKAWWBT

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/FKKAWWBTUPU6NNVZ7UDZYP3DFM \
  | 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: 2a940b5833a3e9e6b6b9fd079c3f632b2954f485e25e7a66a6ac0470dc257d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0203075445ba2ae1ae3ef099f780620e443fef91bb1c7c4a10bd380f0af01a3",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-31T12:08:20Z",
    "title_canon_sha256": "2c7b1eb3191b4d6f00f86e055a650812acdcb5d0f7c816961b9437c32bf3dead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205545",
    "kind": "arxiv",
    "version": 1
  }
}