Pith Number

pith:XHBKXLTC

pith:2015:XHBKXLTC62CRUZPC5JSG2QADYQ

not attested not anchored not stored refs pending

An operator-theoretic approach to differential positivity

A. Mauroy, F. Forni, R. Sepulchre

arxiv:1504.01548 v1 · 2015-04-07 · math.DS · 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{XHBKXLTC62CRUZPC5JSG2QADYQ}

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	2026-05-18T02:19:26.815717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c2abae62f6851a65e2ea646d4003c428bcea9b9e0c127dece47dd43336136a

Aliases

arxiv: 1504.01548 · arxiv_version: 1504.01548v1 · doi: 10.48550/arxiv.1504.01548 · pith_short_12: XHBKXLTC62CR · pith_short_16: XHBKXLTC62CRUZPC · pith_short_8: XHBKXLTC

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/XHBKXLTC62CRUZPC5JSG2QADYQ \
  | 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: b9c2abae62f6851a65e2ea646d4003c428bcea9b9e0c127dece47dd43336136a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9acb65ea70025b3ac13371c44d20adc2f30ed2995924b51c54bb194a8796fb",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-04-07T11:03:53Z",
    "title_canon_sha256": "b229cf900f9b936ef27ee2bebaa917378f84efa6fd265a5ac0026db7c29e6b0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01548",
    "kind": "arxiv",
    "version": 1
  }
}