Pith Number

pith:ZG3QXJL4

pith:2018:ZG3QXJL4R2DWEVDMEQNPMZ7EIM

not attested not anchored not stored refs pending

A Distance Measuring Algorithm for Location Analysis

Dinghao Ma, Md. Noor-E-Alam, M. S. Morshed, Ruilin Ouyang

arxiv:1806.04107 v1 · 2018-06-11 · 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{ZG3QXJL4R2DWEVDMEQNPMZ7EIM}

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	2026-05-18T00:13:38.506610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9b70ba57c8e8762546c241af667e4433f3c198cbe66de9378a77b7e5f46995e

Aliases

arxiv: 1806.04107 · arxiv_version: 1806.04107v1 · doi: 10.48550/arxiv.1806.04107 · pith_short_12: ZG3QXJL4R2DW · pith_short_16: ZG3QXJL4R2DWEVDM · pith_short_8: ZG3QXJL4

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/ZG3QXJL4R2DWEVDMEQNPMZ7EIM \
  | 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: c9b70ba57c8e8762546c241af667e4433f3c198cbe66de9378a77b7e5f46995e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de22a603a6fa5055f592521de28dec11f12ca52919dd70a9d39cba8ebcb1a9d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-06-11T16:56:56Z",
    "title_canon_sha256": "d2a2ef5dc3fecc646266d5f0b664e078cd3e0b76f52f185ea8579c87c58533d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04107",
    "kind": "arxiv",
    "version": 1
  }
}