Pith Number

pith:VTWO32DU

pith:2015:VTWO32DU2NYMBG5XS64WQRUVC5

not attested not anchored not stored refs pending

Optimal control problems for stress tensor in plastic plane medium

Andreea Bejenaru, Simona Dinu

arxiv:1504.05654 v1 · 2015-04-22 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTWO32DU2NYMBG5XS64WQRUVC5}

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	2026-05-18T02:18:13.048894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acecede874d370c09bb797b9684695177cfd958d147bfc0ba87b39c9960527c8

Aliases

arxiv: 1504.05654 · arxiv_version: 1504.05654v1 · doi: 10.48550/arxiv.1504.05654 · pith_short_12: VTWO32DU2NYM · pith_short_16: VTWO32DU2NYMBG5X · pith_short_8: VTWO32DU

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/VTWO32DU2NYMBG5XS64WQRUVC5 \
  | 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: acecede874d370c09bb797b9684695177cfd958d147bfc0ba87b39c9960527c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa8ad50c3b9b05ba98a5030028c0caea68aa0b9dee2f82af5ab9b3f4ce02310",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-04-22T05:01:18Z",
    "title_canon_sha256": "0d95a1c3691452af38bf07ce0962750c8bb9758594df9281a356f364b1a7fdf6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05654",
    "kind": "arxiv",
    "version": 1
  }
}