Pith Number

pith:FBC4ZWHR

pith:2009:FBC4ZWHRD6WSEMKQWHRVHOORTZ

not attested not anchored not stored refs pending

Non-Gaussian Spikes from Chaotic Billiards in Inflation Preheating

Andrei V. Frolov (SFU), J. Richard Bond (CITA), Lev Kofman (CITA), Zhiqi Huang (UofT)

arxiv:0903.3407 v1 · 2009-03-20 · astro-ph.CO · gr-qc · hep-ph · 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{FBC4ZWHRD6WSEMKQWHRVHOORTZ}

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

Lectures on Reheating after Inflation

Receipt and verification

First computed	2026-07-04T15:48:45.595344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2845ccd8f11fad223150b1e353b9d19e728936d14165a314ef6369c87f6e1b5d

Aliases

arxiv: 0903.3407 · arxiv_version: 0903.3407v1 · doi: 10.48550/arxiv.0903.3407 · pith_short_12: FBC4ZWHRD6WS · pith_short_16: FBC4ZWHRD6WSEMKQ · pith_short_8: FBC4ZWHR

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/FBC4ZWHRD6WSEMKQWHRVHOORTZ \
  | 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: 2845ccd8f11fad223150b1e353b9d19e728936d14165a314ef6369c87f6e1b5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9728a969f4a102e92a70061b046fca2d7e75690122ec4c343d743ff3e32bef32",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-20T18:56:44Z",
    "title_canon_sha256": "32e3fb0bd6e912a2235b1d04c19f5a9f4351176e026b6a887d2a824a1d928991"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3407",
    "kind": "arxiv",
    "version": 1
  }
}