Pith Number

pith:2YLMCPKR

pith:2016:2YLMCPKR4MOVYRRGJG4C6DTYHA

not attested not anchored not stored refs pending

Set Regularities and Feasibility Problems

Alexander Y. Kruger, D. Russell Luke, Nguyen H. Thao

arxiv:1602.04935 v1 · 2016-02-16 · 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{2YLMCPKR4MOVYRRGJG4C6DTYHA}

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	2026-05-18T00:16:09.812580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d616c13d51e31d5c462649b82f0e783819316ea0cb014ec3ce2a2a8cf0cbe56c

Aliases

arxiv: 1602.04935 · arxiv_version: 1602.04935v1 · doi: 10.48550/arxiv.1602.04935 · pith_short_12: 2YLMCPKR4MOV · pith_short_16: 2YLMCPKR4MOVYRRG · pith_short_8: 2YLMCPKR

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/2YLMCPKR4MOVYRRGJG4C6DTYHA \
  | 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: d616c13d51e31d5c462649b82f0e783819316ea0cb014ec3ce2a2a8cf0cbe56c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f3b3089c3e07ce1e01d6433ddf0771e4b4c77afbb31c228eb04cd52fad7f6d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-02-16T08:05:31Z",
    "title_canon_sha256": "91dd0493efe170a32b057bba0c2ce3ee0af897c5f4362c228df1d5a6e256c909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04935",
    "kind": "arxiv",
    "version": 1
  }
}