Pith Number

pith:NEVHMRSY

pith:2013:NEVHMRSY5KMC2YCIBOOOILYQZD

not attested not anchored not stored refs pending

Universal Polar Decoding with Channel Knowledge at the Encoder

Mine Alsan

arxiv:1311.7590 v1 · 2013-11-29 · 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{NEVHMRSY5KMC2YCIBOOOILYQZD}

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	2026-05-18T03:05:55.841036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

692a764658ea982d60480b9ce42f10c8d14fa25441de89c339c33ce896e062f2

Aliases

arxiv: 1311.7590 · arxiv_version: 1311.7590v1 · doi: 10.48550/arxiv.1311.7590 · pith_short_12: NEVHMRSY5KMC · pith_short_16: NEVHMRSY5KMC2YCI · pith_short_8: NEVHMRSY

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/NEVHMRSY5KMC2YCIBOOOILYQZD \
  | 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: 692a764658ea982d60480b9ce42f10c8d14fa25441de89c339c33ce896e062f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69eab5430ba2e60001eaf2305627c931fb234501822b08c12132a4fb4a858bec",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-29T15:02:33Z",
    "title_canon_sha256": "db427e2ff40f79ee2b5d1f9815b5e1c6e2f3219856223fe47794e255b9f86141"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7590",
    "kind": "arxiv",
    "version": 1
  }
}