Pith Number

pith:QSZMQ7NU

pith:2013:QSZMQ7NUHZW2HYGROIR5CSZJ2N

not attested not anchored not stored refs pending

Achieving Precise Mechanical Control in Intrinsically Noisy Systems

David Waxman, Jianfeng Feng, Shun-ichi Amari, Wenlian Lu

arxiv:1304.7955 v1 · 2013-04-30 · 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{QSZMQ7NUHZW2HYGROIR5CSZJ2N}

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	2026-05-18T01:50:14.165253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84b2c87db43e6da3e0d17223d14b29d37a051d65733416305567ec0632363ad4

Aliases

arxiv: 1304.7955 · arxiv_version: 1304.7955v1 · doi: 10.48550/arxiv.1304.7955 · pith_short_12: QSZMQ7NUHZW2 · pith_short_16: QSZMQ7NUHZW2HYGR · pith_short_8: QSZMQ7NU

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/QSZMQ7NUHZW2HYGROIR5CSZJ2N \
  | 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: 84b2c87db43e6da3e0d17223d14b29d37a051d65733416305567ec0632363ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "964e3336be49947cec78d1960dfabab5e6cab60e82a65153f5270bef9e5d9c00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-04-30T11:01:04Z",
    "title_canon_sha256": "7c0d2bcf035a76041e76778bd263cc7cfc321852b035f9bd870d1589c732dfcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7955",
    "kind": "arxiv",
    "version": 1
  }
}