Pith Number

pith:EE6Q52KD

pith:2022:EE6Q52KDETAO5R3DDM63LPKGDY

not attested not anchored not stored refs pending

The sparse representation related with fractional heat equations

Ieng Tak Leong, Pengtao Li, Tao Qian, Wei Qu

arxiv:2207.10078 v1 · 2022-06-16 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EE6Q52KDETAO5R3DDM63LPKGDY}

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	2026-07-05T04:42:21.021796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

213d0ee94324c0eec7631b3db5bd461e03586db8a8afd468f67a142ae36a5a54

Aliases

arxiv: 2207.10078 · arxiv_version: 2207.10078v1 · doi: 10.48550/arxiv.2207.10078 · pith_short_12: EE6Q52KDETAO · pith_short_16: EE6Q52KDETAO5R3D · pith_short_8: EE6Q52KD

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/EE6Q52KDETAO5R3DDM63LPKGDY \
  | 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: 213d0ee94324c0eec7631b3db5bd461e03586db8a8afd468f67a142ae36a5a54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77672eff9975bbfb7e431b0ac4808f524b4393f4ab206b33e8a5caae325375c6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-06-16T14:04:31Z",
    "title_canon_sha256": "28b9d70e11de99489cd81ce1a115a2f7ff25ced52d0001f03c474d7d0592a295"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.10078",
    "kind": "arxiv",
    "version": 1
  }
}