Pith Number

pith:EWUJAGZ3

pith:2017:EWUJAGZ3PPNIT77JZBS2ECO2SR

not attested not anchored not stored refs pending

A simple and efficient feedback control strategy for wastewater denitrification

C\'edric Join, Jean Bernier, Michel Fliess, Sabrina Rechdaoui-Gu\'erin, Sam Azimi, St\'ephane Mottelet, Vincent Rocher

arxiv:1703.05278 v1 · 2017-03-15 · cs.SY · 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{EWUJAGZ3PPNIT77JZBS2ECO2SR}

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	2026-05-18T00:48:37.914754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25a8901b3b7bda89ffe9c865a209da946d1bb55479bc77b2e268821095ce2ffc

Aliases

arxiv: 1703.05278 · arxiv_version: 1703.05278v1 · doi: 10.48550/arxiv.1703.05278 · pith_short_12: EWUJAGZ3PPNI · pith_short_16: EWUJAGZ3PPNIT77J · pith_short_8: EWUJAGZ3

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/EWUJAGZ3PPNIT77JZBS2ECO2SR \
  | 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: 25a8901b3b7bda89ffe9c865a209da946d1bb55479bc77b2e268821095ce2ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d58cb4b7f4e5a8f85364079b982d559b84a69ea260aa7c0a34c53f3b1ee77cf",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-03-15T17:31:01Z",
    "title_canon_sha256": "71723275f78dddd1b537c135b2125a4d0e17269b2357079240a3e0584adce1ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05278",
    "kind": "arxiv",
    "version": 1
  }
}