Pith Number

pith:N7CHM23O

pith:2021:N7CHM23OGC5T6EPGXZLM5MFA6O

not attested not anchored not stored refs pending

Correction of high-order $L_k$ approximation for subdiffusion

Jiankang Shi, Jianxiong Cao, Minghua Chen, Yubin Yan

arxiv:2112.13609 v1 · 2021-12-27 · 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{N7CHM23OGC5T6EPGXZLM5MFA6O}

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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	2026-07-05T06:24:08.708321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fc4766b6e30bb3f11e6be56ceb0a0f394eee87c90437f4ee6b8eff430e41872

Aliases

arxiv: 2112.13609 · arxiv_version: 2112.13609v1 · doi: 10.48550/arxiv.2112.13609 · pith_short_12: N7CHM23OGC5T · pith_short_16: N7CHM23OGC5T6EPG · pith_short_8: N7CHM23O

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/N7CHM23OGC5T6EPGXZLM5MFA6O \
  | 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: 6fc4766b6e30bb3f11e6be56ceb0a0f394eee87c90437f4ee6b8eff430e41872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797be841bafb0b22365eb495f5b4fec2d1dd1cebc5bce9f9095cd4e5e24bb687",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-12-27T11:05:45Z",
    "title_canon_sha256": "030be531ded08f535a817c803201ec0b3d9b7dbb4b766c2b0d5f10373f5e8f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13609",
    "kind": "arxiv",
    "version": 1
  }
}