Pith Number

pith:WYKI7N2S

pith:2025:WYKI7N2S72I5DEJWPMUXHWLW5U

not attested not anchored not stored refs pending

On the convergence of the no-response test for the heat equation

Gen Nakamura, Haibing Wang, Shiwei Sun

arxiv:2506.23948 v1 · 2025-06-30 · 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{WYKI7N2S72I5DEJWPMUXHWLW5U}

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	2026-07-05T11:29:30.652103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6148fb752fe91d191367b2973d976ed1b0c1c8c352e73ca8ddf2ad7d05e3c44

Aliases

arxiv: 2506.23948 · arxiv_version: 2506.23948v1 · doi: 10.48550/arxiv.2506.23948 · pith_short_12: WYKI7N2S72I5 · pith_short_16: WYKI7N2S72I5DEJW · pith_short_8: WYKI7N2S

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/WYKI7N2S72I5DEJWPMUXHWLW5U \
  | 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: b6148fb752fe91d191367b2973d976ed1b0c1c8c352e73ca8ddf2ad7d05e3c44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b0830ec48d5c888b754ffa6f1feda8c225ef2399b57a0148c854b8d2109e1ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-06-30T15:14:31Z",
    "title_canon_sha256": "e55f5516ffb699a89759c6f2975f0dba70891a511c7f0b881650f046921e47d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.23948",
    "kind": "arxiv",
    "version": 1
  }
}