Pith Number

pith:EEDMPI7N

pith:2017:EEDMPI7NAQAG7KUICB47FXALYI

not attested not anchored not stored refs pending

Multilevel Diversity Coding with Secure Regeneration: Separate Coding Achieves the MBR Point

Chao Tian, Cong Shen, Shuo Shao, Tie Liu

arxiv:1712.03326 v1 · 2017-12-09 · 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{EEDMPI7NAQAG7KUICB47FXALYI}

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	2026-05-18T00:00:59.636726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2106c7a3ed04006faa881079f2dc0bc22741177ff177eb296a6328bf2cb8b215

Aliases

arxiv: 1712.03326 · arxiv_version: 1712.03326v1 · doi: 10.48550/arxiv.1712.03326 · pith_short_12: EEDMPI7NAQAG · pith_short_16: EEDMPI7NAQAG7KUI · pith_short_8: EEDMPI7N

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/EEDMPI7NAQAG7KUICB47FXALYI \
  | 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: 2106c7a3ed04006faa881079f2dc0bc22741177ff177eb296a6328bf2cb8b215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7ae50a4f4b82c1489f5f5a72d0479351a8a157f957452aa582c2f22a0b01a8a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-12-09T01:35:04Z",
    "title_canon_sha256": "f7eacd2a7a6404a7c0ff4be1a32fc14e9df5737f18a3bd5ab1d333a032808d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03326",
    "kind": "arxiv",
    "version": 1
  }
}