Pith Number

pith:4FGG5DW3

pith:2020:4FGG5DW3VRTAD6CGPBTAI3KEPZ

not attested not anchored not stored refs pending

On the Expected Backreaction During Preheating

C. Armendariz-Picon

arxiv:2003.01542 v2 · 2020-03-02 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FGG5DW3VRTAD6CGPBTAI3KEPZ}

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	2026-07-05T01:54:27.676112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14c6e8edbac6601f8467866046d447e75d356d28cd425c0cfc658fb38441389

Aliases

arxiv: 2003.01542 · arxiv_version: 2003.01542v2 · doi: 10.48550/arxiv.2003.01542 · pith_short_12: 4FGG5DW3VRTA · pith_short_16: 4FGG5DW3VRTAD6CG · pith_short_8: 4FGG5DW3

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/4FGG5DW3VRTAD6CGPBTAI3KEPZ \
  | 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: e14c6e8edbac6601f8467866046d447e75d356d28cd425c0cfc658fb38441389

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2437163dbf4436d9ce446fe1888cf0c9a6dfd5e2203a970e1b61642da15be655",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-03-02T17:41:22Z",
    "title_canon_sha256": "3d23d5fa0092aab8a459c3fa9138d15ec7568b44dca8d09cad0c599067afd6e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.01542",
    "kind": "arxiv",
    "version": 2
  }
}