Pith Number

pith:IL3SIVRE

pith:2011:IL3SIVREGEDARFE2445PAWIIBC

not attested not anchored not stored refs pending

Changepoint Problem in Quantumn Setting

Daiki Akimoto, Masahito Hayashi

arxiv:1102.2555 v1 · 2011-02-13 · 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{IL3SIVREGEDARFE2445PAWIIBC}

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	2026-05-18T04:19:32.647142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42f7245624310608949ae73af05908089b4f99e5b2858e98207a484b87edafe5

Aliases

arxiv: 1102.2555 · arxiv_version: 1102.2555v1 · doi: 10.48550/arxiv.1102.2555 · pith_short_12: IL3SIVREGEDA · pith_short_16: IL3SIVREGEDARFE2 · pith_short_8: IL3SIVRE

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/IL3SIVREGEDARFE2445PAWIIBC \
  | 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: 42f7245624310608949ae73af05908089b4f99e5b2858e98207a484b87edafe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0500ba2146b5ae261707ce7b4f7c722ecfa080fe1949cbcf70c938b55d668224",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-13T03:35:19Z",
    "title_canon_sha256": "a214eaa327d591af588f912977b47aaca25896ded728ad57fa1c91e9a430a953"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2555",
    "kind": "arxiv",
    "version": 1
  }
}