Pith Number

pith:MZW7RAE7

pith:2026:MZW7RAE7V2LS57VTSXTT46AWDC

not attested not anchored not stored refs pending

On a class of modified Cayley--Magnus methods

Arieh Iserles, Fernando Casas, Sergio Blanes

arxiv:2606.19614 v1 · 2026-06-17 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZW7RAE7V2LS57VTSXTT46AWDC}

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	2026-06-19T16:12:30.223965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

666df8809fae972efeb395e73e781618a36d4c660bb0dba10cd96e8d1596dc4f

Aliases

arxiv: 2606.19614 · arxiv_version: 2606.19614v1 · doi: 10.48550/arxiv.2606.19614 · pith_short_12: MZW7RAE7V2LS · pith_short_16: MZW7RAE7V2LS57VT · pith_short_8: MZW7RAE7

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/MZW7RAE7V2LS57VTSXTT46AWDC \
  | 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: 666df8809fae972efeb395e73e781618a36d4c660bb0dba10cd96e8d1596dc4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "214787f94113cc0ff257c2c41597a6bea359d5417bc1eacc569ac9cdfd179572",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-17T21:38:27Z",
    "title_canon_sha256": "9bfb81c5ab12bbfc3e97b2fa103fb151ade59344cfd8f8307bf75a02ee3d2632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19614",
    "kind": "arxiv",
    "version": 1
  }
}