Pith Number

pith:OVMEQJN2

pith:2015:OVMEQJN2KPDKUAROSA3OCH2JV6

not attested not anchored not stored refs pending

Achieving secrecy without knowing the number of eavesdropper antennas

Biao He, Thushara D. Abhayapala, Xiangyun Zhou

arxiv:1508.00105 v1 · 2015-08-01 · 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{OVMEQJN2KPDKUAROSA3OCH2JV6}

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	2026-05-18T00:58:10.491864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75584825ba53c6aa022e9036e11f49afa2e51af4c0c0833b2c67b6e5c817292e

Aliases

arxiv: 1508.00105 · arxiv_version: 1508.00105v1 · doi: 10.48550/arxiv.1508.00105 · pith_short_12: OVMEQJN2KPDK · pith_short_16: OVMEQJN2KPDKUARO · pith_short_8: OVMEQJN2

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/OVMEQJN2KPDKUAROSA3OCH2JV6 \
  | 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: 75584825ba53c6aa022e9036e11f49afa2e51af4c0c0833b2c67b6e5c817292e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f8bdbbd3fff38ad53cc87d9422c0897dcfa939ad9f0a1b218332dcedcc2019a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-01T10:24:05Z",
    "title_canon_sha256": "54c0fa27d7cdb63385e349124308442b240025f2cc87df0cd3ae206a7a5e2129"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00105",
    "kind": "arxiv",
    "version": 1
  }
}