Pith Number

pith:CO2JWOBW

pith:2015:CO2JWOBWOURYFVZKWM7ZZBGLJT

not attested not anchored not stored refs pending

Zoned HVAC Control via PDE-Constrained Optimization

Humberto Gonzalez, Runxin He

arxiv:1504.04680 v4 · 2015-04-18 · 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{CO2JWOBWOURYFVZKWM7ZZBGLJT}

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	2026-05-18T01:15:58.689832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b49b3836752382d72ab33f9c84cb4cf9f31eb04ef585bb637a5fc0b17df17f

Aliases

arxiv: 1504.04680 · arxiv_version: 1504.04680v4 · doi: 10.48550/arxiv.1504.04680 · pith_short_12: CO2JWOBWOURY · pith_short_16: CO2JWOBWOURYFVZK · pith_short_8: CO2JWOBW

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/CO2JWOBWOURYFVZKWM7ZZBGLJT \
  | 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: 13b49b3836752382d72ab33f9c84cb4cf9f31eb04ef585bb637a5fc0b17df17f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "029a5b7fb4154f21c090927b6983bd1e54838bbb9a8f63f1de9e4f953ba7abda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-04-18T04:23:45Z",
    "title_canon_sha256": "8007a7c5a426d730f79f82e3cd3575edf68bfac42da800b0b11d84e92d93dc3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04680",
    "kind": "arxiv",
    "version": 4
  }
}