Pith Number

pith:EZMCMLFF

pith:2017:EZMCMLFFZKFEMB5XZDBRADGHIJ

not attested not anchored not stored refs pending

Heuristics with Performance Guarantees for the Minimum Number of Matches Problem in Heat Recovery Network Design

Dimitrios Letsios, Georgia Kouyialis, Ruth Misener

arxiv:1709.04688 v2 · 2017-09-14 · math.OC · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZMCMLFFZKFEMB5XZDBRADGHIJ}

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	2026-05-18T00:18:46.254626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2658262ca5ca8a4607b7c8c3100cc7424200efca16005e19458810d6f2db3cc1

Aliases

arxiv: 1709.04688 · arxiv_version: 1709.04688v2 · doi: 10.48550/arxiv.1709.04688 · pith_short_12: EZMCMLFFZKFE · pith_short_16: EZMCMLFFZKFEMB5X · pith_short_8: EZMCMLFF

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/EZMCMLFFZKFEMB5XZDBRADGHIJ \
  | 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: 2658262ca5ca8a4607b7c8c3100cc7424200efca16005e19458810d6f2db3cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83c5dc9cfc3b96f9fcfac879eaf978192b487a05b0ba9f39843143bf3d47924e",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-09-14T09:58:38Z",
    "title_canon_sha256": "f4912e899ee7cd4821732773847f8470268ee2076601a99b249c62819c7dd3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04688",
    "kind": "arxiv",
    "version": 2
  }
}