Pith Number

pith:NNNW2ATL

pith:2011:NNNW2ATLJTIUI3BM6TS5ELRP6A

not attested not anchored not stored refs pending

Single-facility Weber Location Problem based on the Lift Metric

Marija Ciric, Predrag S. Stanimirovic

arxiv:1105.0757 v1 · 2011-05-04 · 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{NNNW2ATLJTIUI3BM6TS5ELRP6A}

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	2026-05-18T04:23:01.884359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b5b6d026b4cd1446c2cf4e5d22e2ff0163306e04d14eacc18f32c7076212fe1

Aliases

arxiv: 1105.0757 · arxiv_version: 1105.0757v1 · doi: 10.48550/arxiv.1105.0757 · pith_short_12: NNNW2ATLJTIU · pith_short_16: NNNW2ATLJTIUI3BM · pith_short_8: NNNW2ATL

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/NNNW2ATLJTIUI3BM6TS5ELRP6A \
  | 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: 6b5b6d026b4cd1446c2cf4e5d22e2ff0163306e04d14eacc18f32c7076212fe1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71e25883878c4653e53954735b15cafd9f9358155b2d510de579290e070fd420",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-05-04T08:28:45Z",
    "title_canon_sha256": "95796631faf6062c77cc885a90c7a4f8fbcc894859c82946315474241b0a1617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0757",
    "kind": "arxiv",
    "version": 1
  }
}