Pith Number

pith:FYG7N7DB

pith:2009:FYG7N7DBRHTKIAQRUZFLAIFBUV

not attested not anchored not stored refs pending

Algebraic analysis of a model of two-dimensional gravity

A.M. Frolov, N. Kiriushcheva, S.V. Kuzmin

arxiv:0901.3575 v2 · 2009-01-22 · 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{FYG7N7DBRHTKIAQRUZFLAIFBUV}

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	2026-05-18T02:35:06.263919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e0df6fc6189e6a40211a64ab020a1a56965ce84f2c053d2468b89aa16c4c1df

Aliases

arxiv: 0901.3575 · arxiv_version: 0901.3575v2 · doi: 10.48550/arxiv.0901.3575 · pith_short_12: FYG7N7DBRHTK · pith_short_16: FYG7N7DBRHTKIAQR · pith_short_8: FYG7N7DB

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/FYG7N7DBRHTKIAQRUZFLAIFBUV \
  | 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: 2e0df6fc6189e6a40211a64ab020a1a56965ce84f2c053d2468b89aa16c4c1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d6340d45d6ab93f2444c2ee0e88f5cd9c0c603378aa98f27f556090823c272e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-01-22T22:52:21Z",
    "title_canon_sha256": "cc173170033a36a361df2e179f4641edcfda4e5f5c2ca2497ed468b6a2ff629a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3575",
    "kind": "arxiv",
    "version": 2
  }
}