Pith. sign in
Pith Number

pith:OEEYNJBY

pith:2003:OEEYNJBYSVNRZUWH373CPC7YE7
not attested not anchored not stored refs pending

Inflation versus Cyclic Predictions for Spectral Tilt

Justin Khoury, Neil Turok, Paul J. Steinhardt

arxiv:astro-ph/0302012 v3 · 2003-02-03 · astro-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OEEYNJBYSVNRZUWH373CPC7YE7}

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 2026-07-04T15:49:35.068773Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

710986a438955b1cd2c7dff6278bf827eeb6e68539c624546b91013b8699511c

Aliases

arxiv: astro-ph/0302012 · arxiv_version: astro-ph/0302012v3 · doi: 10.48550/arxiv.astro-ph/0302012 · pith_short_12: OEEYNJBYSVNR · pith_short_16: OEEYNJBYSVNRZUWH · pith_short_8: OEEYNJBY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OEEYNJBYSVNRZUWH373CPC7YE7 \
  | 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: 710986a438955b1cd2c7dff6278bf827eeb6e68539c624546b91013b8699511c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "540d617c69aa07ae17859c3407b04fa91e19d75403741197e754b67e9fa2b94a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-03T17:23:34Z",
    "title_canon_sha256": "72d455b147af4423bfda20af66d7676d744b99587acba9917d0516569ba62082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302012",
    "kind": "arxiv",
    "version": 3
  }
}