Pith Number

pith:ZW7W5ZN4

pith:2017:ZW7W5ZN4FGEC5WEXJE3OH2BMAR

not attested not anchored not stored refs pending

Unified Formulations for Combined-Cycle Units

Lei Fan, Yanan Yu, Yongpei Guan

arxiv:1709.01622 v2 · 2017-09-05 · 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{ZW7W5ZN4FGEC5WEXJE3OH2BMAR}

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	2026-05-18T00:09:00.457932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdbf6ee5bc29882ed8974936e3e82c0452fc40899f1a556bada513c76abfac4c

Aliases

arxiv: 1709.01622 · arxiv_version: 1709.01622v2 · doi: 10.48550/arxiv.1709.01622 · pith_short_12: ZW7W5ZN4FGEC · pith_short_16: ZW7W5ZN4FGEC5WEX · pith_short_8: ZW7W5ZN4

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/ZW7W5ZN4FGEC5WEXJE3OH2BMAR \
  | 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: cdbf6ee5bc29882ed8974936e3e82c0452fc40899f1a556bada513c76abfac4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10b56f8ed781c67e0c2a877ef3e209b79ab0ee413d8dfc3a697b61d3928940fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-09-05T23:16:20Z",
    "title_canon_sha256": "01bb6a07c04537de6bd740ac8b4b430ef13e5bf18d7e851fdccc348e410e2b12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01622",
    "kind": "arxiv",
    "version": 2
  }
}