Pith Number

pith:3R4RXA4Q

pith:2013:3R4RXA4QFIZW4AK27JDFSP2VIC

not attested not anchored not stored refs pending

Secure Communication Via an Untrusted Non-Regenerative Relay in Fading Channels

A. Lee Swindlehurst, Amitav Mukherjee, Jing Huang

arxiv:1302.1216 v1 · 2013-02-05 · 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{3R4RXA4QFIZW4AK27JDFSP2VIC}

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	2026-05-18T01:51:50.077389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc791b83902a336e015afa46593f5540929fb83dadbec596146069675094c5ca

Aliases

arxiv: 1302.1216 · arxiv_version: 1302.1216v1 · doi: 10.48550/arxiv.1302.1216 · pith_short_12: 3R4RXA4QFIZW · pith_short_16: 3R4RXA4QFIZW4AK2 · pith_short_8: 3R4RXA4Q

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/3R4RXA4QFIZW4AK27JDFSP2VIC \
  | 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: dc791b83902a336e015afa46593f5540929fb83dadbec596146069675094c5ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb0d84a4818938dfe5c861ce62c3237fff6e7f8868b30ad390e76433407316e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-02-05T22:10:38Z",
    "title_canon_sha256": "30494a21cdda58e5876df32daa5b339eabbfd153d7a01ccdeacd60f2ea59d2ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1216",
    "kind": "arxiv",
    "version": 1
  }
}