Pith Number

pith:RYYJ7SSJ

pith:2019:RYYJ7SSJ6NFY6GYEA2OUVAFPI7

not attested not anchored not stored refs pending

PhyCode: A Practical Wireless Communication System Exploiting Superimposed Signals

Chen Liu, Jianping Pan, Lin Cai, Wen Cui

arxiv:1907.11654 v1 · 2019-06-27 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RYYJ7SSJ6NFY6GYEA2OUVAFPI7}

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	2026-05-17T23:39:28.354710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e309fca49f34b8f1b04069d4a80af47c46d8c2a9687bebae010d423e3688957

Aliases

arxiv: 1907.11654 · arxiv_version: 1907.11654v1 · doi: 10.48550/arxiv.1907.11654 · pith_short_12: RYYJ7SSJ6NFY · pith_short_16: RYYJ7SSJ6NFY6GYE · pith_short_8: RYYJ7SSJ

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/RYYJ7SSJ6NFY6GYEA2OUVAFPI7 \
  | 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: 8e309fca49f34b8f1b04069d4a80af47c46d8c2a9687bebae010d423e3688957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408b8b9e54b62aa3c687402b5a98387dd55b99655c1131b22462f7a21543f7da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-06-27T20:23:33Z",
    "title_canon_sha256": "396c32b721336fd1f7721154eac46189497dcf3ea91c7c0d06e57141c863fcb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11654",
    "kind": "arxiv",
    "version": 1
  }
}