Pith Number

pith:3WMLACVF

pith:2017:3WMLACVF23QN4GAFJZU3WQF7RK

not attested not anchored not stored refs pending

An HDG Method for Distributed Control of Convection Diffusion PDEs

Jiguang Shen, John R. Singler, Weiwei Hu, Xiaobo Zheng, Yangwen Zhang

arxiv:1801.00082 v1 · 2017-12-30 · math.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{3WMLACVF23QN4GAFJZU3WQF7RK}

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	2026-05-18T00:14:29.773868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd98b00aa5d6e0de18054e69bb40bf8a9309465654da89cbfc7a0b8a421cb8ca

Aliases

arxiv: 1801.00082 · arxiv_version: 1801.00082v1 · doi: 10.48550/arxiv.1801.00082 · pith_short_12: 3WMLACVF23QN · pith_short_16: 3WMLACVF23QN4GAF · pith_short_8: 3WMLACVF

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/3WMLACVF23QN4GAFJZU3WQF7RK \
  | 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: dd98b00aa5d6e0de18054e69bb40bf8a9309465654da89cbfc7a0b8a421cb8ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c590189e2fdef053d5cdaec0695d6ab64e29e9f4f5f15904c94c8a1e8021ffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-30T04:12:13Z",
    "title_canon_sha256": "5ffb366d9aa3bbc7b4582be153621ef393e38e94f721823b6999dd3aad64bc61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00082",
    "kind": "arxiv",
    "version": 1
  }
}