Pith Number

pith:BFBHMW4H

pith:2017:BFBHMW4HLCPD7IKBKSQTBSLNYL

not attested not anchored not stored refs pending

An Optimal EDG Method for Distributed Control of Convection Diffusion PDEs

John R. Singler, Xiao Zhang, Yangwen Zhang

arxiv:1712.10106 v1 · 2017-12-29 · 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{BFBHMW4HLCPD7IKBKSQTBSLNYL}

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	2026-05-17T23:44:34.005208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0942765b87589e3fa14154a130c96dc2e44e562711f81d7ff27805983ed38059

Aliases

arxiv: 1712.10106 · arxiv_version: 1712.10106v1 · doi: 10.48550/arxiv.1712.10106 · pith_short_12: BFBHMW4HLCPD · pith_short_16: BFBHMW4HLCPD7IKB · pith_short_8: BFBHMW4H

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/BFBHMW4HLCPD7IKBKSQTBSLNYL \
  | 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: 0942765b87589e3fa14154a130c96dc2e44e562711f81d7ff27805983ed38059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8afca0343984aade6c990a98c939a5b025fa60efb9161e2f1fcc8622404469c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-29T03:29:48Z",
    "title_canon_sha256": "7386ec09e03735166c54e43207ea4b905e4ca2ed1b3e0f72744126ca9da419a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10106",
    "kind": "arxiv",
    "version": 1
  }
}