Pith Number

pith:RA4K43P3

pith:2026:RA4K43P3AHXZKGTF4YV2T6GNJJ

not attested not anchored not stored refs pending

Kruskal-style algorithm for cubic Schr\"odinger equation molecule reduction

Valentin Clarisse, Yvain Bruned

arxiv:2603.23298 v2 · 2026-03-24 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RA4K43P3AHXZKGTF4YV2T6GNJJ}

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	2026-05-21T01:05:18.121147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8838ae6dfb01ef951a65e62ba9f8cd4a780cd3d12d83fdd3758de0f726f73fb4

Aliases

arxiv: 2603.23298 · arxiv_version: 2603.23298v2 · doi: 10.48550/arxiv.2603.23298 · pith_short_12: RA4K43P3AHXZ · pith_short_16: RA4K43P3AHXZKGTF · pith_short_8: RA4K43P3

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/RA4K43P3AHXZKGTF4YV2T6GNJJ \
  | 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: 8838ae6dfb01ef951a65e62ba9f8cd4a780cd3d12d83fdd3758de0f726f73fb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76c0fa239388c347ca0698668fb3ef2e66ca1c57be9979ebe0dff6a0e99e7e40",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-03-24T14:58:50Z",
    "title_canon_sha256": "90832bf0b32ca29d9549ad046a5e7ebe1ff1e4b71cbf32e9e4fe92846b5d3d1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.23298",
    "kind": "arxiv",
    "version": 2
  }
}