Pith Number

pith:BHH2LLAN

pith:2015:BHH2LLANZSNPHUIVS7NVSQEH4D

not attested not anchored not stored refs pending

Determining the open pit to underground transition: A new method

D. A. Thomas, D. Whittle, J. H. Rubinstein, M. Brazil, P. A. Grossman

arxiv:1509.05129 v3 · 2015-09-17 · 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{BHH2LLANZSNPHUIVS7NVSQEH4D}

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	2026-05-18T01:23:32.141718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09cfa5ac0dcc9af3d11597db594087e0ff796cb87f807a32e3e036c94c4ee097

Aliases

arxiv: 1509.05129 · arxiv_version: 1509.05129v3 · doi: 10.48550/arxiv.1509.05129 · pith_short_12: BHH2LLANZSNP · pith_short_16: BHH2LLANZSNPHUIV · pith_short_8: BHH2LLAN

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/BHH2LLANZSNPHUIVS7NVSQEH4D \
  | 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: 09cfa5ac0dcc9af3d11597db594087e0ff796cb87f807a32e3e036c94c4ee097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bddc63f7271ef8a0ef6cf9805f51b3cc52a7a8b2c9612116946544587b0940a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-09-17T05:33:42Z",
    "title_canon_sha256": "062e955568540002b3695f0d4b7aa29f940951e8259664b83b368e525dce23a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05129",
    "kind": "arxiv",
    "version": 3
  }
}