Pith Number

pith:67SNMU6W

pith:2012:67SNMU6WSCRZYX26AMXOK5CIBM

not attested not anchored not stored refs pending

The construction of characteristic matrixes of dynamic coverings using an incremental approach

Chunyong Wang, Guangming Lang, Lankun Guo, Qingguo Li

arxiv:1210.5706 v4 · 2012-10-21 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67SNMU6WSCRZYX26AMXOK5CIBM}

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	2026-05-18T02:25:05.613859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7e4d653d690a39c5f5e032ee574480b241197c1c8cf69326efac9a8805d3a82

Aliases

arxiv: 1210.5706 · arxiv_version: 1210.5706v4 · doi: 10.48550/arxiv.1210.5706 · pith_short_12: 67SNMU6WSCRZ · pith_short_16: 67SNMU6WSCRZYX26 · pith_short_8: 67SNMU6W

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/67SNMU6WSCRZYX26AMXOK5CIBM \
  | 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: f7e4d653d690a39c5f5e032ee574480b241197c1c8cf69326efac9a8805d3a82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59a9cc7e5bd115d2a74bebe5ffd76d7eab6f1c7f5252c52bb6d252a1de7cb83c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-21T09:13:00Z",
    "title_canon_sha256": "1d9194b2c39d5c9dd1585c7a3ada793ce464e2d5bb6c455d4a46602fcc04a9e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.5706",
    "kind": "arxiv",
    "version": 4
  }
}