Pith Number

pith:V26GBQMR

pith:2017:V26GBQMRONFPOWV6YV6NLIKIFY

not attested not anchored not stored refs pending

Polar Coding for the Binary Erasure Channel with Deletions

Alexander Vardy, Eldho K. Thomas, Mehul Motani, Vincent Y. F. Tan

arxiv:1701.01938 v1 · 2017-01-08 · 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{V26GBQMRONFPOWV6YV6NLIKIFY}

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	2026-05-18T00:53:13.021232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aebc60c191734af75abec57cd5a1482e01ecdc1e1440b539debf3465b0e5378d

Aliases

arxiv: 1701.01938 · arxiv_version: 1701.01938v1 · doi: 10.48550/arxiv.1701.01938 · pith_short_12: V26GBQMRONFP · pith_short_16: V26GBQMRONFPOWV6 · pith_short_8: V26GBQMR

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/V26GBQMRONFPOWV6YV6NLIKIFY \
  | 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: aebc60c191734af75abec57cd5a1482e01ecdc1e1440b539debf3465b0e5378d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b384d92e7db5fa6674f6fb94be842332f1c233dea087fa5ac35a8439b6f31e8a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-08T10:37:07Z",
    "title_canon_sha256": "94630be59858ddb3567fdb56cd51cc1171b667be3c2aa660b8c9b283826df1da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01938",
    "kind": "arxiv",
    "version": 1
  }
}