Pith Number

pith:XPBHGICH

pith:2019:XPBHGICHBM5XRC3JOMDSKHAIHD

not attested not anchored not stored refs pending

Polar Coding with Chemical Reaction Networks

Toshiaki Koike-Akino, Toshiki Matsumine, Ye Wang

arxiv:1903.03709 v1 · 2019-03-09 · cs.IT · cs.ET · cs.LO · eess.SP · 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{XPBHGICHBM5XRC3JOMDSKHAIHD}

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	2026-05-17T23:51:41.192839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbc27320470b3b788b697307251c0838e728aee2832db95381eb685b05d8a9f0

Aliases

arxiv: 1903.03709 · arxiv_version: 1903.03709v1 · doi: 10.48550/arxiv.1903.03709 · pith_short_12: XPBHGICHBM5X · pith_short_16: XPBHGICHBM5XRC3J · pith_short_8: XPBHGICH

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/XPBHGICHBM5XRC3JOMDSKHAIHD \
  | 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: bbc27320470b3b788b697307251c0838e728aee2832db95381eb685b05d8a9f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47abe5b13d877065fb8b82849b0ffea60d97b84965e4b028bf00849a0fc0e4f4",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.LO",
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-09T00:41:19Z",
    "title_canon_sha256": "b8ac57f44c67272281c8442f85462b676afebb13d0162c046b35596e3f892077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03709",
    "kind": "arxiv",
    "version": 1
  }
}