Pith Number

pith:54AS3BOC

pith:2018:54AS3BOCDHQ6JEKKUO4ZI7HGX2

not attested not anchored not stored refs pending

On Landis' conjecture in the plane for some equations with sign-changing potentials

Blair Davey

arxiv:1809.01520 v2 · 2018-09-05 · 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{54AS3BOCDHQ6JEKKUO4ZI7HGX2}

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	2026-05-17T23:51:43.920231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef012d85c219e1e4914aa3b9947ce6bebafdb8969deb86c69e27a1b47ebe188e

Aliases

arxiv: 1809.01520 · arxiv_version: 1809.01520v2 · doi: 10.48550/arxiv.1809.01520 · pith_short_12: 54AS3BOCDHQ6 · pith_short_16: 54AS3BOCDHQ6JEKK · pith_short_8: 54AS3BOC

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/54AS3BOCDHQ6JEKKUO4ZI7HGX2 \
  | 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: ef012d85c219e1e4914aa3b9947ce6bebafdb8969deb86c69e27a1b47ebe188e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0160cf8ab252ee1ffe7aa459fbfee0f653d4e9dd5a4e68799d7085810b351858",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-05T14:00:12Z",
    "title_canon_sha256": "8f0dde95e88f687732b18652ef2fe3add15c06482d77e50bb786af40255217da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01520",
    "kind": "arxiv",
    "version": 2
  }
}