Pith Number

pith:LL2XQA63

pith:2026:LL2XQA63EVVXUCOLWXPNXRGSYB

not attested not anchored not stored refs pending

Scalably computing metric magnitude

Cynthia Ukawu, Jewell Thomas, Steve Huntsman

arxiv:2607.23354 v1 · 2026-07-25 · math.NA · cs.NA · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LL2XQA63EVVXUCOLWXPNXRGSYB}

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	2026-07-28T01:22:48.876309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af57803db256b7a09cbb5dedbc4d2c06ce6c2c76c9dd3a7650cfcbb781b0590

Aliases

arxiv: 2607.23354 · arxiv_version: 2607.23354v1 · doi: 10.48550/arxiv.2607.23354 · pith_short_12: LL2XQA63EVVX · pith_short_16: LL2XQA63EVVXUCOL · pith_short_8: LL2XQA63

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/LL2XQA63EVVXUCOLWXPNXRGSYB \
  | 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: 5af57803db256b7a09cbb5dedbc4d2c06ce6c2c76c9dd3a7650cfcbb781b0590

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "784bb9ccaf2b79e5ed5f300cecb59905ab9e1a32d7e012bddd3fe8769c31e840",
    "cross_cats_sorted": [
      "cs.NA",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-25T20:27:18Z",
    "title_canon_sha256": "6a39c15ad3e9339ef8226d7622a6de52d5db7a1d232814b1fd7a635bd2241bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.23354",
    "kind": "arxiv",
    "version": 1
  }
}