Pith Number

pith:EV5MRC2R

pith:2019:EV5MRC2RM2UU6IFKC3VVB6BOB5

not attested not anchored not stored refs pending

Weak differentiability of the control-to-state mapping in a parabolic equation with hysteresis

Klemens Fellner, Martin Brokate, Matthias Lang-Batsching

arxiv:1905.01863 v1 · 2019-05-06 · 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{EV5MRC2RM2UU6IFKC3VVB6BOB5}

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	2026-05-17T23:46:57.195668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

257ac88b5166a94f20aa16eb50f82e0f45a4d124553dd7d52995eb5e6c3d4d8c

Aliases

arxiv: 1905.01863 · arxiv_version: 1905.01863v1 · doi: 10.48550/arxiv.1905.01863 · pith_short_12: EV5MRC2RM2UU · pith_short_16: EV5MRC2RM2UU6IFK · pith_short_8: EV5MRC2R

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/EV5MRC2RM2UU6IFKC3VVB6BOB5 \
  | 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: 257ac88b5166a94f20aa16eb50f82e0f45a4d124553dd7d52995eb5e6c3d4d8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63e7ffbcde85f0f7360246fe8e5e09a5b340a1f8325bcbaddd9b2c01aa584e15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-06T07:53:30Z",
    "title_canon_sha256": "8661811f5d87189a435aaa52f128a9558aa8f8bf3d06a1985723b05f20e2ea0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01863",
    "kind": "arxiv",
    "version": 1
  }
}