Pith Number

pith:HTXTAXEI

pith:2026:HTXTAXEIOPCSKKRKZKRGRBXXOZ

not attested not anchored not stored refs pending

Spectral Filtering of 3D Integral Operators Using Modified Green's Functions

Adrien Merlini, Alessandro Bellusci, Francesco P. Andriulli, Viviana Giunzioni

arxiv:2606.13489 v1 · 2026-06-11 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTXTAXEIOPCSKKRKZKRGRBXXOZ}

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	2026-06-12T01:10:06.380334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cef305c8873c5252a2acaa26886f776477bd25183437f0030101e4b4cb28a09

Aliases

arxiv: 2606.13489 · arxiv_version: 2606.13489v1 · doi: 10.48550/arxiv.2606.13489 · pith_short_12: HTXTAXEIOPCS · pith_short_16: HTXTAXEIOPCSKKRK · pith_short_8: HTXTAXEI

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/HTXTAXEIOPCSKKRKZKRGRBXXOZ \
  | 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: 3cef305c8873c5252a2acaa26886f776477bd25183437f0030101e4b4cb28a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31f4396cdf51b1fdd21d3316a08b7c1b4e6aa047d6f15f37d45c12a0b4870453",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-06-11T15:38:05Z",
    "title_canon_sha256": "b3ca154cdc0f4460be52732bc015b1f3c49092ec3d8d247ccbab5c49fde1aa38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.13489",
    "kind": "arxiv",
    "version": 1
  }
}