Pith Number

pith:SHA7C77N

pith:2019:SHA7C77NJAUGS3DUNQMFX4QT5O

not attested not anchored not stored refs pending

C^1-Regularity of planar \infty-harmonic functions - REVISIT

Yi Ru-Ya Zhang, Yuan Zhou

arxiv:1905.06298 v1 · 2019-05-15 · 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{SHA7C77NJAUGS3DUNQMFX4QT5O}

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	2026-05-17T23:46:06.941739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91c1f17fed4828696c746c185bf213eb86533b7d306943832349b6055321de40

Aliases

arxiv: 1905.06298 · arxiv_version: 1905.06298v1 · doi: 10.48550/arxiv.1905.06298 · pith_short_12: SHA7C77NJAUG · pith_short_16: SHA7C77NJAUGS3DU · pith_short_8: SHA7C77N

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/SHA7C77NJAUGS3DUNQMFX4QT5O \
  | 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: 91c1f17fed4828696c746c185bf213eb86533b7d306943832349b6055321de40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dbd79c97008cb19639886f96612f648abcd06daa298ca0ae427f6f4d630d114",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-15T17:01:50Z",
    "title_canon_sha256": "774dfe11abf5b434f77db5b5724c628b21b801049520aa9111fe89fa3f52ca57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06298",
    "kind": "arxiv",
    "version": 1
  }
}