Pith Number

pith:LLRMQ7UO

pith:2011:LLRMQ7UOU7DCEDY25FMFYCHZPF

not attested not anchored not stored refs pending

Wronskian method and the Schr\"odinger eigenvalue march

Francisco M. Fern\'andez

arxiv:1110.5070 v1 · 2011-10-23 · 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{LLRMQ7UOU7DCEDY25FMFYCHZPF}

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	2026-05-18T04:10:24.778468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ae2c87e8ea7c6220f1ae9585c08f9795015c06cfded28c4a12aec851ad05840

Aliases

arxiv: 1110.5070 · arxiv_version: 1110.5070v1 · doi: 10.48550/arxiv.1110.5070 · pith_short_12: LLRMQ7UOU7DC · pith_short_16: LLRMQ7UOU7DCEDY2 · pith_short_8: LLRMQ7UO

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/LLRMQ7UOU7DCEDY25FMFYCHZPF \
  | 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: 5ae2c87e8ea7c6220f1ae9585c08f9795015c06cfded28c4a12aec851ad05840

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3061fc0c430a563bf68679c5a40c5f596ff4ce1a0eb7cc163a6ef524a88ec744",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-10-23T18:21:50Z",
    "title_canon_sha256": "6a082d5b9b04afd5bf73202798413e3325acd04374f44cee07fcb9eea4010a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5070",
    "kind": "arxiv",
    "version": 1
  }
}