Pith Number

pith:FKBG2C4U

pith:2014:FKBG2C4UHXOEG2YCGXHS6YMHK3

not attested not anchored not stored refs pending

Pointwise controllability as limit of internal controllability for the beam equation

Akram Ben Aissa, Mama Abdelli

arxiv:1406.5681 v1 · 2014-06-22 · 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{FKBG2C4UHXOEG2YCGXHS6YMHK3}

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	2026-05-18T02:49:10.988079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a826d0b943ddc436b0235cf2f618756feb97e29afd3016a7a912f34bb3f9c80

Aliases

arxiv: 1406.5681 · arxiv_version: 1406.5681v1 · doi: 10.48550/arxiv.1406.5681 · pith_short_12: FKBG2C4UHXOE · pith_short_16: FKBG2C4UHXOEG2YC · pith_short_8: FKBG2C4U

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/FKBG2C4UHXOEG2YCGXHS6YMHK3 \
  | 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: 2a826d0b943ddc436b0235cf2f618756feb97e29afd3016a7a912f34bb3f9c80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c833c8f9b913560c45fddcdcc0a5bf470a0653810b3939ec14c48050debb55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-06-22T07:08:50Z",
    "title_canon_sha256": "eeafab79a0fc47e1a46fff0c67bb8125edaf9dc91abd54b779df17e4a8cacb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5681",
    "kind": "arxiv",
    "version": 1
  }
}