Pith Number

pith:FCAVIF4I

pith:2017:FCAVIF4IG5QFJSVRIXKVRORPAA

not attested not anchored not stored refs pending

Polar Codes and Polar Lattices for the Heegard-Berger Problem

Cong Ling, Deniz G\"und\"uz, Jinwen Shi, Ling Liu

arxiv:1702.01042 v2 · 2017-02-03 · 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{FCAVIF4IG5QFJSVRIXKVRORPAA}

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	2026-05-18T00:33:39.424987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2881541788376054cab145d558ba2f003d0e7ab150ef97bbe40929bb66d8912c

Aliases

arxiv: 1702.01042 · arxiv_version: 1702.01042v2 · doi: 10.48550/arxiv.1702.01042 · pith_short_12: FCAVIF4IG5QF · pith_short_16: FCAVIF4IG5QFJSVR · pith_short_8: FCAVIF4I

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/FCAVIF4IG5QFJSVRIXKVRORPAA \
  | 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: 2881541788376054cab145d558ba2f003d0e7ab150ef97bbe40929bb66d8912c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cec17d95f943b36cdb29d2b2ce9790988cfeb37a89939af3b465f5cf8037449d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-03T15:14:11Z",
    "title_canon_sha256": "9e1e241d67154ef7c350273343f0a37332e0732f3e5eea892632d75f16bf74de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01042",
    "kind": "arxiv",
    "version": 2
  }
}