Pith Number

pith:VGSRKWGY

pith:2022:VGSRKWGYPIM2VAA76IPKLXBQ5I

not attested not anchored not stored refs pending

Non-linear stability of $\alpha'$-corrected Friedmann equations

Heliudson Bernardo, Jan Chojnacki, Vincent Comeau

arxiv:2212.11392 v1 · 2022-12-21 · hep-th · astro-ph.CO · 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{VGSRKWGYPIM2VAA76IPKLXBQ5I}

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	2026-07-05T05:58:02.755502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9a51558d87a19aa801ff21ea5dc30ea11ece48ef931051024bce14835f1d2cb

Aliases

arxiv: 2212.11392 · arxiv_version: 2212.11392v1 · doi: 10.48550/arxiv.2212.11392 · pith_short_12: VGSRKWGYPIM2 · pith_short_16: VGSRKWGYPIM2VAA7 · pith_short_8: VGSRKWGY

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/VGSRKWGYPIM2VAA76IPKLXBQ5I \
  | 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: a9a51558d87a19aa801ff21ea5dc30ea11ece48ef931051024bce14835f1d2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0128aa543ddaebb056b7cd02d45a828c2598b5b3eca4dcb17e0bcc3c2012fc5e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-12-21T22:22:43Z",
    "title_canon_sha256": "5047ee3c92a740c9d22a98bb506d1a3e17d7d0b6caf7d620ced0004dad90c8b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.11392",
    "kind": "arxiv",
    "version": 1
  }
}