Pith Number

pith:PYVKTOWN

pith:2021:PYVKTOWNXOXYYMY5GYFJ5PPPVM

not attested not anchored not stored refs pending

A quantum computational approach to the open-pit mining problem

Jessica Pointing, Joseph A. Latone, Mario Motta, Meltem Tolunay, Sreeram Venkatarao, Yousef Hindy

arxiv:2107.11345 v1 · 2021-07-23 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYVKTOWNXOXYYMY5GYFJ5PPPVM}

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	2026-07-05T03:00:15.740201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2aa9bacdbbaf8c331d360a9ebdefab19182ec988835356dcf99e85b22b1db5

Aliases

arxiv: 2107.11345 · arxiv_version: 2107.11345v1 · doi: 10.48550/arxiv.2107.11345 · pith_short_12: PYVKTOWNXOXY · pith_short_16: PYVKTOWNXOXYYMY5 · pith_short_8: PYVKTOWN

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/PYVKTOWNXOXYYMY5GYFJ5PPPVM \
  | 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: 7e2aa9bacdbbaf8c331d360a9ebdefab19182ec988835356dcf99e85b22b1db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b59e90d423fb6c9bd277f79557758a6f2b299d32656aa45a60bad40016bb6927",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-23T16:47:58Z",
    "title_canon_sha256": "82f2495d7a373798d89b96e6f87c9635aa29b63e0c6ee2b622a839593e5a6b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11345",
    "kind": "arxiv",
    "version": 1
  }
}