pith. sign in
Pith Number

pith:PJDZDEQL

pith:2016:PJDZDEQLBFTPRCZ6WWDFSTPHIR
not attested not anchored not stored refs pending

Optimal Design of Helical Springs of Power Law Materials

Adilet Otemissov, Dongming Wei, Marios Fyrillas, Rustam Bekishev

arxiv:1610.09155 v1 · 2016-10-28 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PJDZDEQLBFTPRCZ6WWDFSTPHIR}

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 2026-05-18T01:00:58.984627Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a4791920b0966f88b3eb586594de7446f2f80d35b2c95e7bea0e0abd056acc8

Aliases

arxiv: 1610.09155 · arxiv_version: 1610.09155v1 · doi: 10.48550/arxiv.1610.09155 · pith_short_12: PJDZDEQLBFTP · pith_short_16: PJDZDEQLBFTPRCZ6 · pith_short_8: PJDZDEQL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PJDZDEQLBFTPRCZ6WWDFSTPHIR \
  | 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: 7a4791920b0966f88b3eb586594de7446f2f80d35b2c95e7bea0e0abd056acc8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cdc0890de03abaee101dfa09518109ae20cf4e172f8f5b61e0ee48210d0e1d2d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-10-28T10:21:48Z",
    "title_canon_sha256": "8e635d077bc9c46ec3e918cde0f5b5150b0e1831aec88b572206441e9f83a439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.09155",
    "kind": "arxiv",
    "version": 1
  }
}