Pith Number

pith:N5E6NBFR

pith:2011:N5E6NBFRVVTVUGTR6ZNH5R6YTF

not attested not anchored not stored refs pending

Superposition Noisy Network Coding

Neevan Ramalingam, Zhengdao Wang

arxiv:1102.4646 v1 · 2011-02-23 · 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{N5E6NBFRVVTVUGTR6ZNH5R6YTF}

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	2026-05-18T04:28:07.705266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f49e684b1ad675a1a71f65a7ec7d8996d6704d5a622c188dde44e3bc5e250d6

Aliases

arxiv: 1102.4646 · arxiv_version: 1102.4646v1 · doi: 10.48550/arxiv.1102.4646 · pith_short_12: N5E6NBFRVVTV · pith_short_16: N5E6NBFRVVTVUGTR · pith_short_8: N5E6NBFR

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/N5E6NBFRVVTVUGTR6ZNH5R6YTF \
  | 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: 6f49e684b1ad675a1a71f65a7ec7d8996d6704d5a622c188dde44e3bc5e250d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "282f53cfd16f2e3906c7036f244ddc059dca4904f58f93495cf03ae0432cc840",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-02-23T01:02:10Z",
    "title_canon_sha256": "6184fea84cfce244bd2eac9a7f3b60d079035dec231394c334d1eb67cb14d5ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4646",
    "kind": "arxiv",
    "version": 1
  }
}