Pith Number

pith:A35WBQAH

pith:2000:A35WBQAHWIJ5XLNTYUQE2GVRHN

not attested not anchored not stored refs pending

Wave Equations with Point Interactions in Finite Energy Space

Andrea Posilicano, Diego Noja, Massimo Bertini

arxiv:math-ph/0010047 v2 · 2000-10-27 · math-ph · math.FA · 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{A35WBQAHWIJ5XLNTYUQE2GVRHN}

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	2026-05-18T01:38:34.611810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06fb60c007b213dbadb3c5204d1ab13b5b723bc1b05477e508f9b28f2cf52dd8

Aliases

arxiv: math-ph/0010047 · arxiv_version: math-ph/0010047v2 · doi: 10.48550/arxiv.math-ph/0010047 · pith_short_12: A35WBQAHWIJ5 · pith_short_16: A35WBQAHWIJ5XLNT · pith_short_8: A35WBQAH

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/A35WBQAHWIJ5XLNTYUQE2GVRHN \
  | 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: 06fb60c007b213dbadb3c5204d1ab13b5b723bc1b05477e508f9b28f2cf52dd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ab1faf86f158f64c3a822ad4121ae2f90820dcd0b5edf3e1afffabc6d0f1ab",
    "cross_cats_sorted": [
      "math.FA",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2000-10-27T16:19:03Z",
    "title_canon_sha256": "827ddecccc0f7ea0167ab22aa781653fcadc52e3a358310e0fd58d6482d0462b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0010047",
    "kind": "arxiv",
    "version": 2
  }
}