Pith Number

pith:7Z6EWLI4

pith:2020:7Z6EWLI42H5ERRUY2RBTFCDY66

not attested not anchored not stored refs pending

The Generalized Birman-Schwinger Principle

A. F. M. ter Elst, F. Gesztesy, J. Behrndt

arxiv:2005.01195 v4 · 2020-05-03 · math.SP · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Z6EWLI42H5ERRUY2RBTFCDY66}

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	2026-07-05T01:26:14.361959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7c4b2d1cd1fa48c698d443328878f7ae809e61b6bf376ab6adfc8ad1319259

Aliases

arxiv: 2005.01195 · arxiv_version: 2005.01195v4 · doi: 10.48550/arxiv.2005.01195 · pith_short_12: 7Z6EWLI42H5E · pith_short_16: 7Z6EWLI42H5ERRUY · pith_short_8: 7Z6EWLI4

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/7Z6EWLI42H5ERRUY2RBTFCDY66 \
  | 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: fe7c4b2d1cd1fa48c698d443328878f7ae809e61b6bf376ab6adfc8ad1319259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ec037abc3c2750510304252e287e581a1830056c2944ba86a5a99315c60942d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2020-05-03T22:03:46Z",
    "title_canon_sha256": "7c623f1c48cf155d1e859ec56571cf1d28ee39cebce28dcff79c260bfd417b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.01195",
    "kind": "arxiv",
    "version": 4
  }
}