Pith Number

pith:CABF32TI

pith:2013:CABF32TIHU6EGD2CV7PABVI7RU

not attested not anchored not stored refs pending

Strategy-Proof Facility Location for Concave Cost Functions

Christos Tzamos, Dimitris Fotakis

arxiv:1305.3333 v1 · 2013-05-15 · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CABF32TIHU6EGD2CV7PABVI7RU}

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	2026-05-18T03:25:36.139967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10025dea683d3c430f42afde00d51f8d18ccb1a8977fb0787564aaa860601853

Aliases

arxiv: 1305.3333 · arxiv_version: 1305.3333v1 · doi: 10.48550/arxiv.1305.3333 · pith_short_12: CABF32TIHU6E · pith_short_16: CABF32TIHU6EGD2C · pith_short_8: CABF32TI

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/CABF32TIHU6EGD2CV7PABVI7RU \
  | 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: 10025dea683d3c430f42afde00d51f8d18ccb1a8977fb0787564aaa860601853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6a43085d252f86796fa5bfc156e13d2bc4a53babc35aa2e58989434f1b01149",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-05-15T01:22:15Z",
    "title_canon_sha256": "152a94119321a2d496985fde0b2fd20e52a20c65cc2b6a3a2a0f353aea7711f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3333",
    "kind": "arxiv",
    "version": 1
  }
}