Pith Number

pith:UBUEDLZI

pith:2018:UBUEDLZIWR3NWEAFJMIFXIBSJN

not attested not anchored not stored refs pending

Modeling and Optimal Control of an Octopus Tentacle

Anna Chiara Lai, Paola Loreti, Simone Cacace

arxiv:1811.08229 v1 · 2018-11-20 · 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{UBUEDLZIWR3NWEAFJMIFXIBSJN}

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	2026-05-18T00:00:16.500233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06841af28b476db10054b105ba0324b5e31b41e89a8a84b13574840c9a95dc1

Aliases

arxiv: 1811.08229 · arxiv_version: 1811.08229v1 · doi: 10.48550/arxiv.1811.08229 · pith_short_12: UBUEDLZIWR3N · pith_short_16: UBUEDLZIWR3NWEAF · pith_short_8: UBUEDLZI

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/UBUEDLZIWR3NWEAFJMIFXIBSJN \
  | 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: a06841af28b476db10054b105ba0324b5e31b41e89a8a84b13574840c9a95dc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36eb58beb4f57a8bbb29be252d662d2af1da8db2721f384d1598db63e3852110",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-11-20T13:04:40Z",
    "title_canon_sha256": "a6be81c4b3e3680ddc10770f4226d010dbbc8b88f00b5d06438f988dd929fedf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08229",
    "kind": "arxiv",
    "version": 1
  }
}