Pith Number

pith:GHRGBXMI

pith:2014:GHRGBXMIRVKV2HEU7GSJAJQCUF

not attested not anchored not stored refs pending

Facility Location in Evolving Metrics

Claire Mathieu, David Eisenstat, Nicolas Schabanel

arxiv:1403.6758 v1 · 2014-03-26 · cs.SI · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHRGBXMIRVKV2HEU7GSJAJQCUF}

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	2026-05-18T02:55:28.117235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31e260dd888d555d1c94f9a4902602a14827f6708fc5e37010ee1bfb39a0c477

Aliases

arxiv: 1403.6758 · arxiv_version: 1403.6758v1 · doi: 10.48550/arxiv.1403.6758 · pith_short_12: GHRGBXMIRVKV · pith_short_16: GHRGBXMIRVKV2HEU · pith_short_8: GHRGBXMI

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/GHRGBXMIRVKV2HEU7GSJAJQCUF \
  | 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: 31e260dd888d555d1c94f9a4902602a14827f6708fc5e37010ee1bfb39a0c477

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5cf28eae5ef0de8eab184557a6eb4d5e2098c4d6c3d320f3bfff352a2c14180",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2014-03-26T17:17:44Z",
    "title_canon_sha256": "0b2418b63cc8fbcd43c56281ee7848b390f5858851bbe8f4a82c21ef4854978c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6758",
    "kind": "arxiv",
    "version": 1
  }
}