Pith Number

pith:MWHJY7LD

pith:2016:MWHJY7LDKZH3JOYXDWY6V3K6WF

not attested not anchored not stored refs pending

Block-proximal methods with spatially adapted acceleration

Tuomo Valkonen

arxiv:1609.07373 v5 · 2016-09-23 · math.OC · cs.NA · math.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{MWHJY7LDKZH3JOYXDWY6V3K6WF}

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	2026-06-04T18:10:03.216107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

658e9c7d63564fb4bb171db1eaed5eb15194cc180d4b9fee6c343e88a2ff8cf3

Aliases

arxiv: 1609.07373 · arxiv_version: 1609.07373v5 · doi: 10.48550/arxiv.1609.07373 · pith_short_12: MWHJY7LDKZH3 · pith_short_16: MWHJY7LDKZH3JOYX · pith_short_8: MWHJY7LD

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/MWHJY7LDKZH3JOYXDWY6V3K6WF \
  | 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: 658e9c7d63564fb4bb171db1eaed5eb15194cc180d4b9fee6c343e88a2ff8cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bbf5c3c50bd346749ee8d2865098cac5fefa9d4b92d5529c1da7341f5b308a0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-09-23T14:18:25Z",
    "title_canon_sha256": "02ada632cf02d971a5da68f41404e8f0d8899157f46bb4898c1f3f8958a9eee8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.07373",
    "kind": "arxiv",
    "version": 5
  }
}