Pith Number

pith:STNLYND3

pith:2017:STNLYND325B7OA5CNNA3LWQW66

not attested not anchored not stored refs pending

Detecting Symmetry in Designing Heat Exchanger Networks

Georgia Kouyialis, Ruth Misener

arxiv:1711.02564 v1 · 2017-11-07 · 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{STNLYND325B7OA5CNNA3LWQW66}

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	2026-05-18T00:31:07.566545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94dabc347bd743f703a26b41b5da16f78b83240d97db6ed8a53e140d4263a3da

Aliases

arxiv: 1711.02564 · arxiv_version: 1711.02564v1 · doi: 10.48550/arxiv.1711.02564 · pith_short_12: STNLYND325B7 · pith_short_16: STNLYND325B7OA5C · pith_short_8: STNLYND3

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/STNLYND325B7OA5CNNA3LWQW66 \
  | 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: 94dabc347bd743f703a26b41b5da16f78b83240d97db6ed8a53e140d4263a3da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e811c35f8743ec3daab3cbca895c9006ab4b495aeb551c2693bc382a6f322ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-07T15:41:44Z",
    "title_canon_sha256": "48e964505f780bb9d61e3552cefdd2fd76c3636355530df3b3944a46769c629d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02564",
    "kind": "arxiv",
    "version": 1
  }
}