Pith Number

pith:7MSNIKRH

pith:2016:7MSNIKRHU5DXJXWLQWAERVU2NB

not attested not anchored not stored refs pending

Direct solution of piecewise linear systems

Manuel Radons

arxiv:1611.09643 v1 · 2016-11-29 · math.OC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MSNIKRHU5DXJXWLQWAERVU2NB}

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	2026-05-18T00:56:17.823965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb24d42a27a74774decb858048d69a686c754315b4d784c9a6bbbe159a263e4c

Aliases

arxiv: 1611.09643 · arxiv_version: 1611.09643v1 · doi: 10.48550/arxiv.1611.09643 · pith_short_12: 7MSNIKRHU5DX · pith_short_16: 7MSNIKRHU5DXJXWL · pith_short_8: 7MSNIKRH

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/7MSNIKRHU5DXJXWLQWAERVU2NB \
  | 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: fb24d42a27a74774decb858048d69a686c754315b4d784c9a6bbbe159a263e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "603e674ffdd0cc4bfcbad74133029d9c2052777fbf9e4d0e2900e7a4db7b9fae",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-11-29T14:25:34Z",
    "title_canon_sha256": "616fab480cd82916688f8c24bdc0e16b845219ec765d39fda3e4dd10a2a8e346"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09643",
    "kind": "arxiv",
    "version": 1
  }
}