Pith Number

pith:ZSJH7EC3

pith:2019:ZSJH7EC3E2IQRNRNN7OJXOMNOW

not attested not anchored not stored refs pending

Mixed linear fractional boundary value problems

Ifan Johnston, Vassili Kolokoltsov

arxiv:1908.03158 v2 · 2019-08-08 · math.PR · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSJH7EC3E2IQRNRNN7OJXOMNOW}

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	2026-07-05T00:01:03.115361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc927f905b269108b62d6fdc9bb98d75864eb1e74831be12f76182e653357fb8

Aliases

arxiv: 1908.03158 · arxiv_version: 1908.03158v2 · doi: 10.48550/arxiv.1908.03158 · pith_short_12: ZSJH7EC3E2IQ · pith_short_16: ZSJH7EC3E2IQRNRN · pith_short_8: ZSJH7EC3

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/ZSJH7EC3E2IQRNRNN7OJXOMNOW \
  | 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: cc927f905b269108b62d6fdc9bb98d75864eb1e74831be12f76182e653357fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c4f2323af55410e7826206ea15ef04f3df84b5a97ad3c5c531721d36887eaaa",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-08-08T16:36:32Z",
    "title_canon_sha256": "55a06fd363215ee2c7e3aa7441acb94e08c2e2ac7905b710e94056c386332cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03158",
    "kind": "arxiv",
    "version": 2
  }
}