Pith Number

pith:XMMGV5WM

pith:2015:XMMGV5WMWTWAFBCN3KKTQJCI3E

not attested not anchored not stored refs pending

Optimal state discrimination and unstructured search in nonlinear quantum mechanics

Andrew M. Childs, Joshua Young

arxiv:1507.06334 v2 · 2015-07-22 · 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{XMMGV5WMWTWAFBCN3KKTQJCI3E}

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	2026-05-18T01:16:09.764058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb186af6ccb4ec02844dda95382448d93ab8c059b42e5dce164b120b07470fad

Aliases

arxiv: 1507.06334 · arxiv_version: 1507.06334v2 · doi: 10.48550/arxiv.1507.06334 · pith_short_12: XMMGV5WMWTWA · pith_short_16: XMMGV5WMWTWAFBCN · pith_short_8: XMMGV5WM

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/XMMGV5WMWTWAFBCN3KKTQJCI3E \
  | 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: bb186af6ccb4ec02844dda95382448d93ab8c059b42e5dce164b120b07470fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5fcbdd44eb60d296575a68b5b34657c60c5bd020974e9f00bd3cd9147e78c23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-22T20:29:54Z",
    "title_canon_sha256": "d77ca0ab005505ef8df3dca08032380610423dd3950b76a9526761d642d4785c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06334",
    "kind": "arxiv",
    "version": 2
  }
}