Pith Number

pith:AAM7CSK2

pith:2012:AAM7CSK2AGKCQEM7COW2MMP4IF

not attested not anchored not stored refs pending

Global Optimal Solution to Discrete Value Selection Problem with Inequality Constraints

David Yang Gao, Ning Ruan

arxiv:1205.0856 v1 · 2012-05-04 · math.OC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAM7CSK2AGKCQEM7COW2MMP4IF}

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	2026-05-18T03:56:23.760596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0019f1495a019428119f13ada631fc417db84b827a2668f5e67fcbe527ec539c

Aliases

arxiv: 1205.0856 · arxiv_version: 1205.0856v1 · doi: 10.48550/arxiv.1205.0856 · pith_short_12: AAM7CSK2AGKC · pith_short_16: AAM7CSK2AGKCQEM7 · pith_short_8: AAM7CSK2

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/AAM7CSK2AGKCQEM7COW2MMP4IF \
  | 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: 0019f1495a019428119f13ada631fc417db84b827a2668f5e67fcbe527ec539c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a82f5b6b45557d7467e9e879dbfb79062c9f5b0880d118de40d64603e1b486d",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2012-05-04T03:57:59Z",
    "title_canon_sha256": "70cc5fc8594d6b364ed5f238bfa6b3a25262b2157d52f9acf361c1147b2de4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0856",
    "kind": "arxiv",
    "version": 1
  }
}