Pith Number

pith:MVAITYS6

pith:2023:MVAITYS6ZAT4KEYXYTVQVNXN3R

not attested not anchored not stored refs pending

High-order BDF convolution quadrature for subdiffusion models with a singular source term

Jiankang Shi, Minghua Chen

arxiv:2305.03384 v1 · 2023-05-05 · 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{MVAITYS6ZAT4KEYXYTVQVNXN3R}

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	2026-07-05T06:24:12.473247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

654089e25ec827c51317c4eb0ab6eddc454b208f4eda2627869f219352fd528e

Aliases

arxiv: 2305.03384 · arxiv_version: 2305.03384v1 · doi: 10.48550/arxiv.2305.03384 · pith_short_12: MVAITYS6ZAT4 · pith_short_16: MVAITYS6ZAT4KEYX · pith_short_8: MVAITYS6

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/MVAITYS6ZAT4KEYXYTVQVNXN3R \
  | 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: 654089e25ec827c51317c4eb0ab6eddc454b208f4eda2627869f219352fd528e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6085c2ad2b6e887b6fc31cdf04a60e4f3f2826612a6450dbe21447e8dc5b63b8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-05-05T09:30:43Z",
    "title_canon_sha256": "5efdef54910a4e09b0c51e9807ffbf2f9073a3cc6c2e33a50c0b30af3d03af91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.03384",
    "kind": "arxiv",
    "version": 1
  }
}