Pith Number

pith:WQUO7CBN

pith:2018:WQUO7CBNXKBVOBXIIQLHSMSHHG

not attested not anchored not stored refs pending

Lightweight Structure Design Under Force Location Uncertainty

Erva Ulu, James McCann, Levent Burak Kara

arxiv:1810.11154 v2 · 2018-10-26 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQUO7CBNXKBVOBXIIQLHSMSHHG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:01:46.900173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b428ef882dba835706e84416793247399791ad88ed33bf5f7fefd9ca8fd14615

Aliases

arxiv: 1810.11154 · arxiv_version: 1810.11154v2 · doi: 10.48550/arxiv.1810.11154 · pith_short_12: WQUO7CBNXKBV · pith_short_16: WQUO7CBNXKBVOBXI · pith_short_8: WQUO7CBN

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/WQUO7CBNXKBVOBXIIQLHSMSHHG \
  | 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: b428ef882dba835706e84416793247399791ad88ed33bf5f7fefd9ca8fd14615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f7989fb0cb756cfdeeedbc67eb1f35127d529ed0149baa4fbd874c6a435ad36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2018-10-26T00:42:34Z",
    "title_canon_sha256": "351e3b2a57f143da20490b6752bcb0e993c23ff0e432aff7c709691c0253f612"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11154",
    "kind": "arxiv",
    "version": 2
  }
}