Pith Number

pith:UVNO3IWL

pith:2001:UVNO3IWL2LTQ3TZKWVN3KZ6MFR

not attested not anchored not stored refs pending

Evolution of cosmological perturbations in non-singular string cosmologies

Cyril Cartier, Edmund J. Copeland, Jai-chan Hwang

arxiv:astro-ph/0106197 v1 · 2001-06-12 · astro-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVNO3IWL2LTQ3TZKWVN3KZ6MFR}

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.

Cited by

1 paper in Pith

Towards Stochastic Inflation in Higher-Curvature Gravity

Receipt and verification

First computed	2026-07-04T16:23:31.654462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a55aeda2cbd2e70dcf2ab55bb567cc2c5133c5db92d62a66873c5ea6380d5ee1

Aliases

arxiv: astro-ph/0106197 · arxiv_version: astro-ph/0106197v1 · doi: 10.48550/arxiv.astro-ph/0106197 · pith_short_12: UVNO3IWL2LTQ · pith_short_16: UVNO3IWL2LTQ3TZK · pith_short_8: UVNO3IWL

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/UVNO3IWL2LTQ3TZKWVN3KZ6MFR \
  | 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: a55aeda2cbd2e70dcf2ab55bb567cc2c5133c5db92d62a66873c5ea6380d5ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6b0d98372cde202c65e3cd957a93fd8b1cf67fb3f61fc00cbe31ab778fdebb",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-12T12:41:42Z",
    "title_canon_sha256": "850146d0985131fbc2ad9b2b30776e2574e744f111ccbe36e22cd7137357d9ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106197",
    "kind": "arxiv",
    "version": 1
  }
}