Pith Number

pith:DBT2J5TL

pith:2020:DBT2J5TLG3KZNTXROSTHMRXN6F

not attested not anchored not stored refs pending

Inequality Constraints in Facility Location and Other Similar Optimization Problems: An Entropy Based Approach

Amber Srivastava, Gabriel Barsi Haberfeld, Naira Hovakimyan, Srinivasa M Salapaka

arxiv:2002.03505 v1 · 2020-02-10 · 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{DBT2J5TLG3KZNTXROSTHMRXN6F}

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	2026-07-05T00:39:22.960944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1867a4f66b36d596cef174a67646edf14c5f452b48ae2263a197c0226b3cfc03

Aliases

arxiv: 2002.03505 · arxiv_version: 2002.03505v1 · doi: 10.48550/arxiv.2002.03505 · pith_short_12: DBT2J5TLG3KZ · pith_short_16: DBT2J5TLG3KZNTXR · pith_short_8: DBT2J5TL

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/DBT2J5TLG3KZNTXROSTHMRXN6F \
  | 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: 1867a4f66b36d596cef174a67646edf14c5f452b48ae2263a197c0226b3cfc03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caa9eb7ce8f5f383fd0378bd43a4cdc581b71ac45f623474d1be56148fb8a289",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2020-02-10T02:42:58Z",
    "title_canon_sha256": "0f0ee7ff3269c36abb80d09e71af14da3b47adc94d109d04be7a26e906b90fd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03505",
    "kind": "arxiv",
    "version": 1
  }
}