Pith Number

pith:OCGPOGP6

pith:2001:OCGPOGP6YQAPJ62TTP3GLWWAYZ

not attested not anchored not stored refs pending

Inhomogeneity and Nonlinear Preheating

Matthew Parry, Richard Easther

arxiv:gr-qc/0105117 v1 · 2001-05-30 · gr-qc · 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{OCGPOGP6YQAPJ62TTP3GLWWAYZ}

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	2026-05-18T00:37:32.116035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

708cf719fec400f4fb539bf665dac0c673fd43e906dd772770af70529f3d599d

Aliases

arxiv: gr-qc/0105117 · arxiv_version: gr-qc/0105117v1 · doi: 10.48550/arxiv.gr-qc/0105117 · pith_short_12: OCGPOGP6YQAP · pith_short_16: OCGPOGP6YQAPJ62T · pith_short_8: OCGPOGP6

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/OCGPOGP6YQAPJ62TTP3GLWWAYZ \
  | 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: 708cf719fec400f4fb539bf665dac0c673fd43e906dd772770af70529f3d599d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e65ebd90bcbbee6c643e5a0c80ed3ec5ac15de4bf9ce9dc8ff02aa711cb4772",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-05-30T18:57:53Z",
    "title_canon_sha256": "fafffa3ef14a9e1f2561935898d6e81af9be7277d3f8af15a24ff52ddddac383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0105117",
    "kind": "arxiv",
    "version": 1
  }
}