Pith Number

pith:NGC5EW25

pith:2018:NGC5EW25TTSPUZKGIK5O2OCNW7

not attested not anchored not stored refs pending

Constructing Representative Scenarios to Approximate Robust Combinatorial Optimization Problems

Marc Goerigk

arxiv:1802.09792 v1 · 2018-02-27 · 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{NGC5EW25TTSPUZKGIK5O2OCNW7}

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	2026-05-18T00:22:22.172339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6985d25b5d9ce4fa654642baed384db7ce496c8b893824cdc2c18e50bc7fa1b6

Aliases

arxiv: 1802.09792 · arxiv_version: 1802.09792v1 · doi: 10.48550/arxiv.1802.09792 · pith_short_12: NGC5EW25TTSP · pith_short_16: NGC5EW25TTSPUZKG · pith_short_8: NGC5EW25

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/NGC5EW25TTSPUZKGIK5O2OCNW7 \
  | 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: 6985d25b5d9ce4fa654642baed384db7ce496c8b893824cdc2c18e50bc7fa1b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8470c0c7a9d6aa04cc551e188eb5ddd87e91598b3bd86115078d8595244d780b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-27T09:41:55Z",
    "title_canon_sha256": "1b8356b2657149d469c3c589240c3f3fdcb296132c6a2397acd456c81f642522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09792",
    "kind": "arxiv",
    "version": 1
  }
}