Pith Number

pith:7XJ2ZXAA

pith:2016:7XJ2ZXAANQCM3HZHLPCRD6GD5E

not attested not anchored not stored refs pending

On the computation of lambda-contractive sets for linear constrained systems

Mark Cannon, Moritz Schulze Darup

arxiv:1606.02919 v1 · 2016-06-09 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XJ2ZXAANQCM3HZHLPCRD6GD5E}

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	2026-05-18T01:12:38.577032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd3acdc006c04cd9f275bc511f8c3e93adefc9d314007c191fe647d5eaac55e

Aliases

arxiv: 1606.02919 · arxiv_version: 1606.02919v1 · doi: 10.48550/arxiv.1606.02919 · pith_short_12: 7XJ2ZXAANQCM · pith_short_16: 7XJ2ZXAANQCM3HZH · pith_short_8: 7XJ2ZXAA

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/7XJ2ZXAANQCM3HZHLPCRD6GD5E \
  | 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: fdd3acdc006c04cd9f275bc511f8c3e93adefc9d314007c191fe647d5eaac55e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "425ebf89966e0452ef11afdc573c4e44a66e02818878596420751d1c7be2619a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-06-09T11:46:33Z",
    "title_canon_sha256": "2f04c43d5d811151873c4487456214d708ae357101a27728df4c43efe65e1013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02919",
    "kind": "arxiv",
    "version": 1
  }
}