Pith Number

pith:FMPH3WJ7

pith:2016:FMPH3WJ7YUOOTOWDLFZ77EPFNX

not attested not anchored not stored refs pending

Threshold and strong threshold solutions of a semilinear parabolic equation

Pavol Quittner

arxiv:1605.07388 v1 · 2016-05-24 · 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{FMPH3WJ7YUOOTOWDLFZ77EPFNX}

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	2026-05-18T01:13:46.217492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b1e7dd93fc51ce9bac35973ff91e56dd8c3d403a6ad95bbdf04c0850f2d14b2

Aliases

arxiv: 1605.07388 · arxiv_version: 1605.07388v1 · doi: 10.48550/arxiv.1605.07388 · pith_short_12: FMPH3WJ7YUOO · pith_short_16: FMPH3WJ7YUOOTOWD · pith_short_8: FMPH3WJ7

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/FMPH3WJ7YUOOTOWDLFZ77EPFNX \
  | 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: 2b1e7dd93fc51ce9bac35973ff91e56dd8c3d403a6ad95bbdf04c0850f2d14b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb6e824bc4d279903f656b2f567fdd7b1c2cbc243eb2fd27f808b02b261ae7f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-05-24T11:48:38Z",
    "title_canon_sha256": "c70ff422a0771b13ac684e8e2bd91a0e8c10f8d69a00bc7a0a6bef9d7f151048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07388",
    "kind": "arxiv",
    "version": 1
  }
}