Pith Number

pith:E5OHF6BA

pith:2001:E5OHF6BAKP5RNYAHRB4TAKXAF5

not attested not anchored not stored refs pending

The Ekpyrotic Universe: Colliding Branes and the Origin of the Hot Big Bang

Burt A. Ovrut, Justin Khoury, Neil Turok, Paul J. Steinhardt

arxiv:hep-th/0103239 v3 · 2001-03-29 · hep-th · 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{E5OHF6BAKP5RNYAHRB4TAKXAF5}

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

14 papers in Pith

Causal Horizons, Geodesic Completeness and Stability in Slow Contraction Cosmology

Non-Gaussianity and Strong-Coupling Problem in a Two-Field DHOST Bouncing Model

Phase-resolved field-space distance criteria in ekpyrotic, bouncing and cyclic cosmologies

Three Advanced Lectures on Inflation

Quasi-dust ekpyrotic scenario in Loop Quantum Cosmology

Receipt and verification

First computed	2026-07-04T15:26:46.709759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

275c72f82053fb16e0078879302ae02f51992129897d3d502b4da997ca4e2ba6

Aliases

arxiv: hep-th/0103239 · arxiv_version: hep-th/0103239v3 · doi: 10.48550/arxiv.hep-th/0103239 · pith_short_12: E5OHF6BAKP5R · pith_short_16: E5OHF6BAKP5RNYAH · pith_short_8: E5OHF6BA

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/E5OHF6BAKP5RNYAHRB4TAKXAF5 \
  | 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: 275c72f82053fb16e0078879302ae02f51992129897d3d502b4da997ca4e2ba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c9801618a947a35c8a9fe104fa90c140a98c6b2d4df0cd81609ca307bd16924",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-03-29T00:42:20Z",
    "title_canon_sha256": "8a1210959ad7c1f3af726b3cdd46761be3e4bca0d7c65b3058d629b112a230b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0103239",
    "kind": "arxiv",
    "version": 3
  }
}