Pith Number

pith:OYDDWYJS

pith:2022:OYDDWYJSGUS6VS5A36UQU7CJSA

not attested not anchored not stored refs pending

State feedback control law design for an age-dependent SIR model

Candy Sonveaux, Joseph J. Winkin

arxiv:2205.08140 v1 · 2022-05-17 · 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{OYDDWYJSGUS6VS5A36UQU7CJSA}

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	2026-07-05T04:23:59.786807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76063b61323525eacba0dfa90a7c49903cb33a0dabee44948b91b181a04b8091

Aliases

arxiv: 2205.08140 · arxiv_version: 2205.08140v1 · doi: 10.48550/arxiv.2205.08140 · pith_short_12: OYDDWYJSGUS6 · pith_short_16: OYDDWYJSGUS6VS5A · pith_short_8: OYDDWYJS

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/OYDDWYJSGUS6VS5A36UQU7CJSA \
  | 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: 76063b61323525eacba0dfa90a7c49903cb33a0dabee44948b91b181a04b8091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a42cd1072bf022a4bb951f235bb0a8587c059f1c49528977245eccf7ef0c1df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-05-17T07:13:29Z",
    "title_canon_sha256": "20266060baf011c105ac54dbb45d5864b377a807c5963a710d4db04c893936c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.08140",
    "kind": "arxiv",
    "version": 1
  }
}