Pith Number

pith:OMLL67D6

pith:2019:OMLL67D6CM7MTUHVXOT26VKYL4

not attested not anchored not stored refs pending

Optimal motion of a scallop: some case studies

Marta Zoppello, Rosario Maggistro

arxiv:1903.00557 v1 · 2019-03-01 · math.OC · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OMLL67D6CM7MTUHVXOT26VKYL4}

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	2026-05-17T23:52:14.145367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7316bf7c7e133ec9d0f5bba7af55585f3139bbc5cd6a2285b216e79b2d75bd68

Aliases

arxiv: 1903.00557 · arxiv_version: 1903.00557v1 · doi: 10.48550/arxiv.1903.00557 · pith_short_12: OMLL67D6CM7M · pith_short_16: OMLL67D6CM7MTUHV · pith_short_8: OMLL67D6

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/OMLL67D6CM7MTUHVXOT26VKYL4 \
  | 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: 7316bf7c7e133ec9d0f5bba7af55585f3139bbc5cd6a2285b216e79b2d75bd68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bc1f33dc7cde837bb44a0ccceee6a01ea089b3d61041078222479ac2566a79d",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-03-01T22:09:58Z",
    "title_canon_sha256": "7ac984f9d98f20cf4e7eb9301b3af9719354a7ac2db2ff04ad614bf1f6e75ac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00557",
    "kind": "arxiv",
    "version": 1
  }
}