Pith Number

pith:NDKE5BJE

pith:2017:NDKE5BJEXR5Y5IW2JF65IN6RYF

not attested not anchored not stored refs pending

Two-Dimensional Source Coding by Means of Subblock Enumeration

Hiroyoshi Morita, Takahiro Ota

arxiv:1701.06733 v1 · 2017-01-24 · 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{NDKE5BJEXR5Y5IW2JF65IN6RYF}

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	2026-05-18T00:52:12.287271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d44e8524bc7b8ea2da497dd437d1c14e0497e88841558199a7b757771bb353

Aliases

arxiv: 1701.06733 · arxiv_version: 1701.06733v1 · doi: 10.48550/arxiv.1701.06733 · pith_short_12: NDKE5BJEXR5Y · pith_short_16: NDKE5BJEXR5Y5IW2 · pith_short_8: NDKE5BJE

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/NDKE5BJEXR5Y5IW2JF65IN6RYF \
  | 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: 68d44e8524bc7b8ea2da497dd437d1c14e0497e88841558199a7b757771bb353

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d768f43afa26d7ea6f15a70af5cb6c0c54c3571a0f79be92d65c6a738b0efe83",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-24T05:30:55Z",
    "title_canon_sha256": "5c4714771c6ce0291ec88074b911eafd4788963bacbba1b8fef99a382ac19268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06733",
    "kind": "arxiv",
    "version": 1
  }
}