Pith Number

pith:RK7YUI7M

pith:2015:RK7YUI7MUABI6WBKOYAZTZU6QI

not attested not anchored not stored refs pending

Large-scale Optimization-based Non-negative Computational Framework for Diffusion Equations: Parallel Implementation and Performance Studies

J. Chang, K. B. Nakshatrala, S. Karra

arxiv:1506.08435 v3 · 2015-06-28 · cs.NA · cs.CE · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RK7YUI7MUABI6WBKOYAZTZU6QI}

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	2026-05-18T00:22:53.142398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8abf8a23eca0028f582a760199e69e821f445e6f5be4ad1eb4fe421852f075df

Aliases

arxiv: 1506.08435 · arxiv_version: 1506.08435v3 · doi: 10.48550/arxiv.1506.08435 · pith_short_12: RK7YUI7MUABI · pith_short_16: RK7YUI7MUABI6WBK · pith_short_8: RK7YUI7M

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/RK7YUI7MUABI6WBKOYAZTZU6QI \
  | 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: 8abf8a23eca0028f582a760199e69e821f445e6f5be4ad1eb4fe421852f075df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7db137e4ecdb5e6beea4fe37fea97e82139b37b4d31ef39f6a17c3bf2a747915",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-06-28T18:57:25Z",
    "title_canon_sha256": "97f2db80bd937a1df52d630dd34a31f0b92acce373be2375d7bdf16565c19615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08435",
    "kind": "arxiv",
    "version": 3
  }
}