Pith Number

pith:PZEWOH2C

pith:2018:PZEWOH2CTEHNAM73OJQWFVXQC6

not attested not anchored not stored refs pending

Towards Practical Software Stack Decoding of Polar Codes

Harsh Aurora, Warren J. Gross

arxiv:1809.03606 v1 · 2018-09-10 · 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{PZEWOH2CTEHNAM73OJQWFVXQC6}

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	2026-05-18T00:06:00.339625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e49671f42990ed033fb726162d6f0178b2c03c6364fb20b85fd71c16b4cc546

Aliases

arxiv: 1809.03606 · arxiv_version: 1809.03606v1 · doi: 10.48550/arxiv.1809.03606 · pith_short_12: PZEWOH2CTEHN · pith_short_16: PZEWOH2CTEHNAM73 · pith_short_8: PZEWOH2C

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/PZEWOH2CTEHNAM73OJQWFVXQC6 \
  | 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: 7e49671f42990ed033fb726162d6f0178b2c03c6364fb20b85fd71c16b4cc546

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f52574d4980ada33a38c150152d6147cd08f2ffdd3e6fd7adcb45efa59c2d7aa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-09-10T21:32:09Z",
    "title_canon_sha256": "eb55582394936adf1c9ea223ab9b6e19038ae0a7aafd57255c502a9de6c8b207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03606",
    "kind": "arxiv",
    "version": 1
  }
}