Pith Number

pith:SYEMU7EY

pith:2019:SYEMU7EYG655SWUSXXO54Q2KIQ

not attested not anchored not stored refs pending

H\"older regularity for the time fractional Schr\"odinger equation

Jiqiang Zheng, Xiaoyan Su

arxiv:1907.04227 v1 · 2019-07-09 · 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{SYEMU7EYG655SWUSXXO54Q2KIQ}

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	2026-07-05T03:07:42.021760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9608ca7c9837bbd95a92bdddde434a4430a8e75d650df4840dd066e177882ae4

Aliases

arxiv: 1907.04227 · arxiv_version: 1907.04227v1 · doi: 10.48550/arxiv.1907.04227 · pith_short_12: SYEMU7EYG655 · pith_short_16: SYEMU7EYG655SWUS · pith_short_8: SYEMU7EY

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/SYEMU7EYG655SWUSXXO54Q2KIQ \
  | 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: 9608ca7c9837bbd95a92bdddde434a4430a8e75d650df4840dd066e177882ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6feb63292755189f18e83d8735bbfd703ef0ac841218983a5908e730387022d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-09T15:03:59Z",
    "title_canon_sha256": "a918fc3e46ae388cd32bdd7b9e41f4bf2222f10ec0065cb0590590686c6f4556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04227",
    "kind": "arxiv",
    "version": 1
  }
}