Pith Number

pith:MK75IZ57

pith:2019:MK75IZ57OIW7EPADPJMR7KFI2U

not attested not anchored not stored refs pending

Least-squares solutions of boundary-value problems in hybrid systems

Daniele Mortari, Hunter Johnston

arxiv:1911.04390 v1 · 2019-11-11 · 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{MK75IZ57OIW7EPADPJMR7KFI2U}

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	2026-07-05T02:21:12.853339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62bfd467bf722df23c037a591fa8a8d52642f54f4088c108aaf650f354c14924

Aliases

arxiv: 1911.04390 · arxiv_version: 1911.04390v1 · doi: 10.48550/arxiv.1911.04390 · pith_short_12: MK75IZ57OIW7 · pith_short_16: MK75IZ57OIW7EPAD · pith_short_8: MK75IZ57

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/MK75IZ57OIW7EPADPJMR7KFI2U \
  | 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: 62bfd467bf722df23c037a591fa8a8d52642f54f4088c108aaf650f354c14924

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed6e813aaa943fabee1aa8a826b48a23db9c538008ae144493a915fb28ce7909",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-11-11T17:00:09Z",
    "title_canon_sha256": "d583aabf2fc7d89b61975ed0c8a89ccff7af3f9613278034ab3c6362c741bb70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04390",
    "kind": "arxiv",
    "version": 1
  }
}