Pith Number

pith:VBEGMZ4N

pith:2012:VBEGMZ4N3UMWOPOJWMZRK5QYZV

not attested not anchored not stored refs pending

Enhanced Perturbative Continuous Unitary Transformations

G. S. Uhrig, H. Krull, N. A. Drescher

arxiv:1202.3121 v2 · 2012-02-14 · cond-mat.str-el · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBEGMZ4N3UMWOPOJWMZRK5QYZV}

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	2026-05-18T02:21:17.842980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a84866678ddd19673dc9b333157618cd63424302d0d91d4dea52445442aac654

Aliases

arxiv: 1202.3121 · arxiv_version: 1202.3121v2 · doi: 10.48550/arxiv.1202.3121 · pith_short_12: VBEGMZ4N3UMW · pith_short_16: VBEGMZ4N3UMWOPOJ · pith_short_8: VBEGMZ4N

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/VBEGMZ4N3UMWOPOJWMZRK5QYZV \
  | 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: a84866678ddd19673dc9b333157618cd63424302d0d91d4dea52445442aac654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb7aed3629e12aba4b2d1daf5a569770b269935d1956d0ab4e57d5703ebaddc",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-02-14T19:51:42Z",
    "title_canon_sha256": "e8191906b8d3dd66031c0dc401df26d8557d45a7ae0402369c2d6ab5476a3cc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3121",
    "kind": "arxiv",
    "version": 2
  }
}