Pith Number

pith:NVDFMZAS

pith:2025:NVDFMZAS4WDT54K572C24US2HN

not attested not anchored not stored refs pending

Approximation theory for Green's functions via the Lanczos algorithm

Curt von Keyserlingk, Gabriele Pinna, Oliver Lunt

arxiv:2505.00089 v1 · 2025-04-30 · quant-ph · cond-mat.stat-mech · 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{NVDFMZAS4WDT54K572C24US2HN}

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	2026-06-19T16:11:10.781374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d46566412e5873ef15dfe85ae525a3b527560f84addf41b0bde7093495cbf33

Aliases

arxiv: 2505.00089 · arxiv_version: 2505.00089v1 · doi: 10.48550/arxiv.2505.00089 · pith_short_12: NVDFMZAS4WDT · pith_short_16: NVDFMZAS4WDT54K5 · pith_short_8: NVDFMZAS

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/NVDFMZAS4WDT54K572C24US2HN \
  | 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: 6d46566412e5873ef15dfe85ae525a3b527560f84addf41b0bde7093495cbf33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda3e84f67d1afd6901607ab1de99f845266bbbdc783477a31c6c0a614b0108b",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-30T18:00:43Z",
    "title_canon_sha256": "b19a1e2ba46b1905c253d443840a9f4a88ee8320ead7e6744f9462b3f75d660c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00089",
    "kind": "arxiv",
    "version": 1
  }
}