Pith Number

pith:7BM2OMQD

pith:2008:7BM2OMQDLW3F7SNL75LIX5MWYP

not attested not anchored not stored refs pending

SOMIM: An open-source program code for the numerical Search for Optimal Measurements by an Iterative Method

Berthold-Georg Englert, Jiangwei Shang, Kean Loon Lee, Shiang Yong Looi, Wee Kang Chua

arxiv:0805.2847 v2 · 2008-05-19 · 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{7BM2OMQDLW3F7SNL75LIX5MWYP}

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	2026-05-18T04:26:55.704326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f859a732035db65fc9abff568bf596c3f315ed3639e32a914e4f55638bfc5336

Aliases

arxiv: 0805.2847 · arxiv_version: 0805.2847v2 · doi: 10.48550/arxiv.0805.2847 · pith_short_12: 7BM2OMQDLW3F · pith_short_16: 7BM2OMQDLW3F7SNL · pith_short_8: 7BM2OMQD

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/7BM2OMQDLW3F7SNL75LIX5MWYP \
  | 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: f859a732035db65fc9abff568bf596c3f315ed3639e32a914e4f55638bfc5336

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec6a8c740ac508dad51e0fdf72c4ad21bd85f76d3f789cb44156febe5de4ca92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-05-19T11:53:30Z",
    "title_canon_sha256": "9e18eb5fdf1e5bc1dcf3c64f30e5a41c953ed1254b99418febcd33d414cc8595"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.2847",
    "kind": "arxiv",
    "version": 2
  }
}