Pith Number

pith:VLUU3ETN

pith:2026:VLUU3ETNIKAY4VI2DFPU3EUD3X

not attested not anchored not stored refs pending

Evolution of Linear Perturbations under Time-Dependent Hubble Friction I: SR-USR-SR Inflation

Chao Chen, Wen Li

arxiv:2602.13074 v2 · 2026-02-13 · 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{VLUU3ETNIKAY4VI2DFPU3EUD3X}

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.

Cited by

1 paper in Pith

Fixing the Renormalization of Inflationary Loops via Ward Identities

Receipt and verification

First computed	2026-07-07T02:19:46.850076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aae94d926d42818e551a195f4d9283dddbf27fb0e1f3d41ce09f0fcbc72a5e80

Aliases

arxiv: 2602.13074 · arxiv_version: 2602.13074v2 · doi: 10.48550/arxiv.2602.13074 · pith_short_12: VLUU3ETNIKAY · pith_short_16: VLUU3ETNIKAY4VI2 · pith_short_8: VLUU3ETN

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/VLUU3ETNIKAY4VI2DFPU3EUD3X \
  | 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: aae94d926d42818e551a195f4d9283dddbf27fb0e1f3d41ce09f0fcbc72a5e80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a74d17ca2233e2969fc638efc71a886fac7e2af48b3db5f982a22fbd776e061c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-02-13T16:34:28Z",
    "title_canon_sha256": "42aa50cc77855bc3dad658b3b3db54622ecc0fb689b9a487911de9d7bd70b0f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.13074",
    "kind": "arxiv",
    "version": 2
  }
}