Pith Number

pith:XMRNW5DG

pith:2017:XMRNW5DGNDOLOHQAEYKH6RFWQF

not attested not anchored not stored refs pending

H\"older regularity of viscosity solutions of some fully nonlinear equations in the Heisenberg group

Fausto Ferrari

arxiv:1706.05705 v1 · 2017-06-18 · 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{XMRNW5DGNDOLOHQAEYKH6RFWQF}

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	2026-05-18T00:42:09.173888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb22db746668dcb71e0026147f44b68179126d34fec3d35e35de7bb1844e709c

Aliases

arxiv: 1706.05705 · arxiv_version: 1706.05705v1 · doi: 10.48550/arxiv.1706.05705 · pith_short_12: XMRNW5DGNDOL · pith_short_16: XMRNW5DGNDOLOHQA · pith_short_8: XMRNW5DG

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/XMRNW5DGNDOLOHQAEYKH6RFWQF \
  | 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: bb22db746668dcb71e0026147f44b68179126d34fec3d35e35de7bb1844e709c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b5793fc842472b770940d970dd9b75ef9514e5c41d6b44f4819f1ed984fc3f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-06-18T19:30:31Z",
    "title_canon_sha256": "825c87546dfa8748ad1764bd663964d17f3853a05e65c86506987bb167a03799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05705",
    "kind": "arxiv",
    "version": 1
  }
}