Pith Number

pith:JC2YFYUS

pith:2018:JC2YFYUSBFQQCVBVESR4DZCHE7

not attested not anchored not stored refs pending

Controllability of a linear system with persistent memory via boundary traction

Luciano Pandolfi

arxiv:1809.07557 v1 · 2018-09-20 · 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{JC2YFYUSBFQQCVBVESR4DZCHE7}

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	2026-05-18T00:05:15.913715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48b582e292096101543524a3c1e44727df374c211f44d0ba2fa71b3c38370124

Aliases

arxiv: 1809.07557 · arxiv_version: 1809.07557v1 · doi: 10.48550/arxiv.1809.07557 · pith_short_12: JC2YFYUSBFQQ · pith_short_16: JC2YFYUSBFQQCVBV · pith_short_8: JC2YFYUS

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/JC2YFYUSBFQQCVBVESR4DZCHE7 \
  | 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: 48b582e292096101543524a3c1e44727df374c211f44d0ba2fa71b3c38370124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af4b9ab780475db100582a1ce909dc1484404838a57fdf36f5e965fca80ccf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-09-20T10:27:21Z",
    "title_canon_sha256": "066bc39cfd9c2352b9687eec39af325824ee10d76659f6141ae508c45612313d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07557",
    "kind": "arxiv",
    "version": 1
  }
}