Pith Number

pith:4WIRT6NG

pith:2018:4WIRT6NGCXMPVEQ3KU26STEM2D

not attested not anchored not stored refs pending

Focusing NLS with inverse square potential

Jiqiang Zheng

arxiv:1808.02236 v1 · 2018-08-07 · 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{4WIRT6NGCXMPVEQ3KU26STEM2D}

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	2026-05-17T23:57:31.561366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e59119f9a615d8fa921b5535e94c8cd0f04c2da47acb4feef2f820393a2d8fdd

Aliases

arxiv: 1808.02236 · arxiv_version: 1808.02236v1 · doi: 10.48550/arxiv.1808.02236 · pith_short_12: 4WIRT6NGCXMP · pith_short_16: 4WIRT6NGCXMPVEQ3 · pith_short_8: 4WIRT6NG

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/4WIRT6NGCXMPVEQ3KU26STEM2D \
  | 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: e59119f9a615d8fa921b5535e94c8cd0f04c2da47acb4feef2f820393a2d8fdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0b2a5da9996d816d508b4bd6994abfbaa219a32f24d1652de22ebbf56701ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-08-07T07:23:09Z",
    "title_canon_sha256": "3117883a6d21dc2b2ec00925f2095efb56812219b6bf45da6314a0d482562c94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02236",
    "kind": "arxiv",
    "version": 1
  }
}