Pith Number

pith:V45UONB7

pith:1995:V45UONB76RETWVT3UYPWCNBRFO

not attested not anchored not stored refs pending

Classical Solution of Two Dimensional $R^2$-Gravity and Cross-Over Phenomenon

N. Tsuda, S. Ichinose, T. Yukawa

arxiv:hep-th/9502101 v1 · 1995-02-16 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V45UONB76RETWVT3UYPWCNBRFO}

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	2026-05-18T04:38:05.426391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af3b47343ff4493b567ba61f6134312ba2bc528e7f8378cede90c4cd196086e4

Aliases

arxiv: hep-th/9502101 · arxiv_version: hep-th/9502101v1 · doi: 10.48550/arxiv.hep-th/9502101 · pith_short_12: V45UONB76RET · pith_short_16: V45UONB76RETWVT3 · pith_short_8: V45UONB7

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/V45UONB76RETWVT3UYPWCNBRFO \
  | 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: af3b47343ff4493b567ba61f6134312ba2bc528e7f8378cede90c4cd196086e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eacf174afedd6afc56f4100f0b13310aac1ba6fd6cea8c5cc994e11fbd7a77d9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-02-16T05:27:29Z",
    "title_canon_sha256": "9617f8899d96553116dde928ba77fbe6be446a8be5e4172f67f1af324e90aded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9502101",
    "kind": "arxiv",
    "version": 1
  }
}