Pith Number

pith:MUOFENYY

pith:2021:MUOFENYYQXLBL74L4HPDN66MET

not attested not anchored not stored refs pending

Regularized Identification with Internal Positivity Side-Information

Mohammad Khosravi, Roy S. Smith

arxiv:2111.00407 v1 · 2021-10-31 · eess.SY · 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{MUOFENYYQXLBL74L4HPDN66MET}

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	2026-07-05T03:27:42.349556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

651c52371885d615ff8be1de36fbcc24c481321c342cf8339bdd18bff2d43a48

Aliases

arxiv: 2111.00407 · arxiv_version: 2111.00407v1 · doi: 10.48550/arxiv.2111.00407 · pith_short_12: MUOFENYYQXLB · pith_short_16: MUOFENYYQXLBL74L · pith_short_8: MUOFENYY

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/MUOFENYYQXLBL74L4HPDN66MET \
  | 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: 651c52371885d615ff8be1de36fbcc24c481321c342cf8339bdd18bff2d43a48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d97537586102f530826f88ad57a93d0f7a88abb28796db12d6b6917b154ee20",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-10-31T05:12:03Z",
    "title_canon_sha256": "7291b05258be1daaece78958674ba844f85e862391044099f6d7f663a93cb1ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00407",
    "kind": "arxiv",
    "version": 1
  }
}