Pith Number

pith:TKWG737Q

pith:2015:TKWG737QDGDYQG6N6DSKY3YUD2

not attested not anchored not stored refs pending

Set Covering-based Approximation Algorithm for Delay Constrained Relay Node Placement in Wireless Sensor Networks

Chaofan Ma, Meng Zheng, Wei Liang

arxiv:1504.00832 v1 · 2015-04-03 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKWG737QDGDYQG6N6DSKY3YUD2}

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	2026-05-18T02:19:36.937875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aac6feff01987881bcdf0e4ac6f141ebe9133729080838c029ee7020d1c67b2

Aliases

arxiv: 1504.00832 · arxiv_version: 1504.00832v1 · doi: 10.48550/arxiv.1504.00832 · pith_short_12: TKWG737QDGDY · pith_short_16: TKWG737QDGDYQG6N · pith_short_8: TKWG737Q

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/TKWG737QDGDYQG6N6DSKY3YUD2 \
  | 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: 9aac6feff01987881bcdf0e4ac6f141ebe9133729080838c029ee7020d1c67b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e1ae714a387968aec9ee89489f4a77f18ada04ec455511c17fa48184c0f731",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2015-04-03T13:00:47Z",
    "title_canon_sha256": "857531f5aded6d0257e9e41aefb87af1364a2e0904304a2a05650de887b4189c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00832",
    "kind": "arxiv",
    "version": 1
  }
}