Pith Number

pith:5H7RRACX

pith:2022:5H7RRACXC4WYUOGERAY6SASTDY

not attested not anchored not stored refs pending

Convex Relaxation for Optimal Fixture Layout Design

Jeffrey H. Hunt, Jianjun Shi, Shancong Mou, Zhen Zhong

arxiv:2206.02877 v1 · 2022-06-06 · 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{5H7RRACXC4WYUOGERAY6SASTDY}

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	2026-07-05T04:29:36.842361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9ff188057172d8a38c48831e902531e1f6daa90c8067e6ab12b712684ad0cc8

Aliases

arxiv: 2206.02877 · arxiv_version: 2206.02877v1 · doi: 10.48550/arxiv.2206.02877 · pith_short_12: 5H7RRACXC4WY · pith_short_16: 5H7RRACXC4WYUOGE · pith_short_8: 5H7RRACX

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/5H7RRACXC4WYUOGERAY6SASTDY \
  | 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: e9ff188057172d8a38c48831e902531e1f6daa90c8067e6ab12b712684ad0cc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de90fa4b71796ac1ff1125980e3ba852b0946a9981180e033e8ccad5fb176c79",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-06-06T20:07:51Z",
    "title_canon_sha256": "389e3dbc3391358dbed8626c3047d129585ccca472bbb248553f8a1f531450f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.02877",
    "kind": "arxiv",
    "version": 1
  }
}