Pith Number

pith:RQVDJW3N

pith:2020:RQVDJW3NNRPW6N253RLXEE6RU3

not attested not anchored not stored refs pending

Coding with Noiseless Feedback over the Z-channel

Christian Deppe, Georg Maringer, Nikita Polyanskii, Vladimir Lebedev

arxiv:2007.04026 v2 · 2020-07-08 · 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{RQVDJW3NNRPW6N253RLXEE6RU3}

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	2026-07-05T02:14:10.367152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c2a34db6d6c5f6f375ddc577213d1a6de7dc5c4899558a9beeb4379c1c47ab3

Aliases

arxiv: 2007.04026 · arxiv_version: 2007.04026v2 · doi: 10.48550/arxiv.2007.04026 · pith_short_12: RQVDJW3NNRPW · pith_short_16: RQVDJW3NNRPW6N25 · pith_short_8: RQVDJW3N

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/RQVDJW3NNRPW6N253RLXEE6RU3 \
  | 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: 8c2a34db6d6c5f6f375ddc577213d1a6de7dc5c4899558a9beeb4379c1c47ab3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fc02bfa0859a063e0f0c0dcb41038f7e9de8e6458f3abfe6359aa366defa93f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-07-08T11:03:37Z",
    "title_canon_sha256": "4299380b5e30cd8c63d9e14415b12f509169e9a9b4d22302794e4e1f1313ff44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04026",
    "kind": "arxiv",
    "version": 2
  }
}