Pith Number

pith:Z7T4FGC7

pith:1992:Z7T4FGC7L6P4J2H6MESD3TWG55

not attested not anchored not stored refs pending

Graceful Exit in Extended Inflation and Implications for Density Perturbations

Paul J. Steinhardt, R. Crittenden

arxiv:astro-ph/9207002 v1 · 1992-07-13 · 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{Z7T4FGC7L6P4J2H6MESD3TWG55}

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	2026-07-04T15:49:35.554568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe7c2985f5f9fc4e8fe61243dcec6ef4b2c2de9989512284af1ee56723bf389

Aliases

arxiv: astro-ph/9207002 · arxiv_version: astro-ph/9207002v1 · doi: 10.48550/arxiv.astro-ph/9207002 · pith_short_12: Z7T4FGC7L6P4 · pith_short_16: Z7T4FGC7L6P4J2H6 · pith_short_8: Z7T4FGC7

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/Z7T4FGC7L6P4J2H6MESD3TWG55 \
  | 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: cfe7c2985f5f9fc4e8fe61243dcec6ef4b2c2de9989512284af1ee56723bf389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa9a9c4775e436f1461cd7f7e809db41911e6bac94286bc55f87c9d47b3e557e",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1992-07-13T22:13:17Z",
    "title_canon_sha256": "3f34a69284d5d028d1a28a3ba9b2f14c6941aa6dd44acb252add4e7d9377e34e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9207002",
    "kind": "arxiv",
    "version": 1
  }
}