Pith Number

pith:JPOOGHD6

pith:1999:JPOOGHD6MVLCIFA6YDNEGSKKMI

not attested not anchored not stored refs pending

Preheating in Generalized Einstein Theories

Anupam Mazumdar, London, Luis E. Mendes (Imperial College, UK)

arxiv:hep-ph/9902274 v2 · 1999-02-08 · hep-ph · astro-ph · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPOOGHD6MVLCIFA6YDNEGSKKMI}

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	2026-05-18T01:08:00.688850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bdce31c7e655624141ec0da43494a6227c005e8eb63cc51e727ced35a416a5e

Aliases

arxiv: hep-ph/9902274 · arxiv_version: hep-ph/9902274v2 · doi: 10.48550/arxiv.hep-ph/9902274 · pith_short_12: JPOOGHD6MVLC · pith_short_16: JPOOGHD6MVLCIFA6 · pith_short_8: JPOOGHD6

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/JPOOGHD6MVLCIFA6YDNEGSKKMI \
  | 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: 4bdce31c7e655624141ec0da43494a6227c005e8eb63cc51e727ced35a416a5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e967dd49ac2a82e0e5bedd92ce54e80206693ddabc66079c5d5ea6dbe6b51a2",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-02-08T22:12:02Z",
    "title_canon_sha256": "652b10f02e4c9024f226a8b74b7c15aa63b6594e9a5d1d461b3e58fb29d1c098"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9902274",
    "kind": "arxiv",
    "version": 2
  }
}