Pith Number

pith:4TIVN2I7

pith:2010:4TIVN2I7IHBGFUOTQKQNG2XOCS

not attested not anchored not stored refs pending

CR-MAC: A multichannel MAC protocol for cognitive radio ad hoc networks

S. M. Kamruzzaman

arxiv:1009.4521 v1 · 2010-09-23 · 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{4TIVN2I7IHBGFUOTQKQNG2XOCS}

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	2026-05-18T04:40:19.796463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4d156e91f41c262d1d382a0d36aee14a650f346737128037f8ac9bfb6bf16a3

Aliases

arxiv: 1009.4521 · arxiv_version: 1009.4521v1 · doi: 10.48550/arxiv.1009.4521 · pith_short_12: 4TIVN2I7IHBG · pith_short_16: 4TIVN2I7IHBGFUOT · pith_short_8: 4TIVN2I7

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/4TIVN2I7IHBGFUOTQKQNG2XOCS \
  | 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: e4d156e91f41c262d1d382a0d36aee14a650f346737128037f8ac9bfb6bf16a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bc4a32084a47303e8c2a549fccce6382a516bc216228fe51635024fb0d48368",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2010-09-23T05:38:52Z",
    "title_canon_sha256": "a4a268eb49ae56671bfabe6387c18a12e75e1cfc53ff5280bd54fe4bb613a22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4521",
    "kind": "arxiv",
    "version": 1
  }
}