Pith Number

pith:BR2UBDA4

pith:2012:BR2UBDA4VEFFAQ3CKTCUZYKK42

not attested not anchored not stored refs pending

Frames in Outdoor 802.11 WLANs Provide a Hybrid Binary-Symmetric/Packet-Erasure Channel

Douglas Leith, Xiaomin Chen

arxiv:1209.4504 v2 · 2012-09-20 · 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{BR2UBDA4VEFFAQ3CKTCUZYKK42}

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	2026-05-18T03:39:06.131223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c75408c1ca90a50436254c54ce14ae6a29a790bd601c37077686bdef0d83a85

Aliases

arxiv: 1209.4504 · arxiv_version: 1209.4504v2 · doi: 10.48550/arxiv.1209.4504 · pith_short_12: BR2UBDA4VEFF · pith_short_16: BR2UBDA4VEFFAQ3C · pith_short_8: BR2UBDA4

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/BR2UBDA4VEFFAQ3CKTCUZYKK42 \
  | 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: 0c75408c1ca90a50436254c54ce14ae6a29a790bd601c37077686bdef0d83a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "360105bf93a7d3a9ca943832833e00d6aeb914679c456868546aa4e3d2032e53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2012-09-20T12:12:23Z",
    "title_canon_sha256": "9c985e48e804280df5d527635f61231ee219c9d0c55824f79e5d70ace6674cbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4504",
    "kind": "arxiv",
    "version": 2
  }
}