Pith Number

pith:VMHZQKJE

pith:2015:VMHZQKJE7GEVIVWZNJZRJ2PZN2

not attested not anchored not stored refs pending

The proximal distance algorithm

Kenneth Lange, Kevin L. Keys

arxiv:1507.07598 v1 · 2015-07-27 · math.OC · 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{VMHZQKJE7GEVIVWZNJZRJ2PZN2}

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	2026-05-18T01:36:12.376697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab0f982924f9895456d96a7314e9f96eb44937c9c689edf54328c34d772cccb1

Aliases

arxiv: 1507.07598 · arxiv_version: 1507.07598v1 · doi: 10.48550/arxiv.1507.07598 · pith_short_12: VMHZQKJE7GEV · pith_short_16: VMHZQKJE7GEVIVWZ · pith_short_8: VMHZQKJE

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/VMHZQKJE7GEVIVWZNJZRJ2PZN2 \
  | 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: ab0f982924f9895456d96a7314e9f96eb44937c9c689edf54328c34d772cccb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efa7879443a7ec496dc3401ba55e3b12c7085ce556f03c212320aa12325a223",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-27T22:53:01Z",
    "title_canon_sha256": "b0e39f9b2c775a9f0ea46ff5aac66396115679233ebae26983cbaa5e6a33928b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07598",
    "kind": "arxiv",
    "version": 1
  }
}