Pith Number

pith:YK5G3BDW

pith:2010:YK5G3BDWSLW2OND7YJ7GDGWMQD

not attested not anchored not stored refs pending

Second order perturbation theory for embedded eigenvalues

E. Skibsted, J. Faupin, J.S. M{\o}ller

arxiv:1006.5869 v1 · 2010-06-30 · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YK5G3BDWSLW2OND7YJ7GDGWMQD}

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	2026-05-18T04:17:15.383519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2ba6d847692eda7347fc27e619acc80df062fbff3cf027d86fbdf29e7a03372

Aliases

arxiv: 1006.5869 · arxiv_version: 1006.5869v1 · doi: 10.48550/arxiv.1006.5869 · pith_short_12: YK5G3BDWSLW2 · pith_short_16: YK5G3BDWSLW2OND7 · pith_short_8: YK5G3BDW

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/YK5G3BDWSLW2OND7YJ7GDGWMQD \
  | 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: c2ba6d847692eda7347fc27e619acc80df062fbff3cf027d86fbdf29e7a03372

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0abff7cdca1da0ffe5ce42103a2bb00ac9b2e7c25bb28549256fa15ceaa4149c",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-06-30T14:55:54Z",
    "title_canon_sha256": "ea635f77bf311a8459b7b0794e494e763e69c2890d51074ea5a0291ad71ae34a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5869",
    "kind": "arxiv",
    "version": 1
  }
}