Pith Number

pith:DQPVEIRX

pith:2017:DQPVEIRXBPRVQXM2GJIRDFM4EP

not attested not anchored not stored refs pending

A scale-dependent finite difference method for time fractional derivative relaxation type equations

HongGuang Sun, Xiaoting Liu, Yong Zhang, Zhuojia Fu

arxiv:1711.06450 v1 · 2017-11-17 · 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{DQPVEIRXBPRVQXM2GJIRDFM4EP}

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	2026-05-18T00:30:21.041527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c1f5222370be3585d9a325111959c23dcda5fa73600501e605859ed7c4a945f

Aliases

arxiv: 1711.06450 · arxiv_version: 1711.06450v1 · doi: 10.48550/arxiv.1711.06450 · pith_short_12: DQPVEIRXBPRV · pith_short_16: DQPVEIRXBPRVQXM2 · pith_short_8: DQPVEIRX

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/DQPVEIRXBPRVQXM2GJIRDFM4EP \
  | 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: 1c1f5222370be3585d9a325111959c23dcda5fa73600501e605859ed7c4a945f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ca4d6831945a252286b397965b5e5ed9e3fbedbba41ccf6833c02dca509c384",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-11-17T08:16:44Z",
    "title_canon_sha256": "a757a187c871f2da51943276611ada4ce60f6b85029bff8c03e5b07e9e823c5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06450",
    "kind": "arxiv",
    "version": 1
  }
}