Pith Number

pith:6HPBD7SX

pith:2017:6HPBD7SXUDYXKFSNEXT4ZJYQTY

not attested not anchored not stored refs pending

A curve of positive solutions for an indefinite sublinear Dirichlet problem

Humberto Ramos Quoirin, Kenichiro Umezu, Uriel Kaufmann

arxiv:1709.04822 v2 · 2017-09-14 · 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{6HPBD7SXUDYXKFSNEXT4ZJYQTY}

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	2026-05-17T23:40:04.760856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1de11fe57a0f175164d25e7cca7109e29227ff738828842ce7c73412f57c953

Aliases

arxiv: 1709.04822 · arxiv_version: 1709.04822v2 · doi: 10.48550/arxiv.1709.04822 · pith_short_12: 6HPBD7SXUDYX · pith_short_16: 6HPBD7SXUDYXKFSN · pith_short_8: 6HPBD7SX

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/6HPBD7SXUDYXKFSNEXT4ZJYQTY \
  | 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: f1de11fe57a0f175164d25e7cca7109e29227ff738828842ce7c73412f57c953

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8391edbaf44187020215c5f50a0473d924bb38cfd083fb0caad29f9f1cdcac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-14T14:50:39Z",
    "title_canon_sha256": "7eb6682b352911820cc1a5b9c3f0547dbfe7d9c7b2bcde7b8738842c28ccd771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04822",
    "kind": "arxiv",
    "version": 2
  }
}