Pith Number

pith:UJZUR5ZE

pith:2018:UJZUR5ZEUBKPM3WJEG27Z353C4

not attested not anchored not stored refs pending

Viscosity Solutions of Systems of PDEs with Interconnected Obstacles and Switching Problem without Monotonicity Condition

Mohamed Mnif, Said Hamad\`ene, Sarah Neffati

arxiv:1802.04747 v1 · 2018-02-13 · 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{UJZUR5ZEUBKPM3WJEG27Z353C4}

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	2026-05-18T00:23:41.522011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a27348f724a054f66ec921b5fcefbb173c576fc6009412c248830d23c5755d85

Aliases

arxiv: 1802.04747 · arxiv_version: 1802.04747v1 · doi: 10.48550/arxiv.1802.04747 · pith_short_12: UJZUR5ZEUBKP · pith_short_16: UJZUR5ZEUBKPM3WJ · pith_short_8: UJZUR5ZE

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/UJZUR5ZEUBKPM3WJEG27Z353C4 \
  | 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: a27348f724a054f66ec921b5fcefbb173c576fc6009412c248830d23c5755d85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845819c43c5e58558bf50a13c1ff63f23c2979f6351f9a65d894f06dd1afaa92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-13T17:14:09Z",
    "title_canon_sha256": "cb6c7d9ef20d01831d20b6eb6226178eb0ecdda60ac1e39552eadcac180b8eef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04747",
    "kind": "arxiv",
    "version": 1
  }
}