Pith Number

pith:BPQJBITW

pith:2018:BPQJBITWROPU33O7CKJ7NMOHT3

not attested not anchored not stored refs pending

New lower bounds on the radius of spatial analyticity for the KdV equation

Jianhua Huang, Ming Wang

arxiv:1804.01628 v1 · 2018-04-04 · math.AP

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BPQJBITWROPU33O7CKJ7NMOHT3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:19:10.631712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0be090a2768b9f4deddf1293f6b1c79ec259378ec59f53004ba623f19d2feb53

Aliases

arxiv: 1804.01628 · arxiv_version: 1804.01628v1 · doi: 10.48550/arxiv.1804.01628 · pith_short_12: BPQJBITWROPU · pith_short_16: BPQJBITWROPU33O7 · pith_short_8: BPQJBITW

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/BPQJBITWROPU33O7CKJ7NMOHT3 \
  | 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: 0be090a2768b9f4deddf1293f6b1c79ec259378ec59f53004ba623f19d2feb53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "764912bab03c4ff416850d0cf9aa107c36f4ac6c20b0be41c05870ec8be38e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-04-04T23:53:35Z",
    "title_canon_sha256": "6d9035d680f537fd03c45c7bd6f8c9b0fe66b9c73eda6ff28bd697d2cb201ff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01628",
    "kind": "arxiv",
    "version": 1
  }
}