Pith Number

pith:P5MXZ2JU

pith:2026:P5MXZ2JUDNMIJRQZXDA7MHV77R

not attested not anchored not stored refs pending

Costs of Arbitrary Real Matrix Factorizations for Pure-DP Continual Counting

Awnon Bhowmik, Mahmudul Hasan

arxiv:2607.28703 v1 · 2026-07-30 · cs.CR · cs.DS · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5MXZ2JUDNMIJRQZXDA7MHV77R}

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	2026-08-03T00:12:13.350003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f597ce9341b5884c619b8c1f61ebffc6578a2ee4905fb6f6568e60d31a26cd8

Aliases

arxiv: 2607.28703 · arxiv_version: 2607.28703v1 · doi: 10.48550/arxiv.2607.28703 · pith_short_12: P5MXZ2JUDNMI · pith_short_16: P5MXZ2JUDNMIJRQZ · pith_short_8: P5MXZ2JU

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/P5MXZ2JUDNMIJRQZXDA7MHV77R \
  | 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: 7f597ce9341b5884c619b8c1f61ebffc6578a2ee4905fb6f6568e60d31a26cd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d951d2cf98142bf9794e7758dc6be4c910a9a45805db6f4771e66bcb31ee56",
    "cross_cats_sorted": [
      "cs.DS",
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-30T14:41:34Z",
    "title_canon_sha256": "dae76e1f60ed7bfa0dfe1b2cd2fbf5ab9b6853b6edd9e626b8bfc2ae660b94ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28703",
    "kind": "arxiv",
    "version": 1
  }
}