Pith Number

pith:MTGJ2DMF

pith:2015:MTGJ2DMF44GJL3OWK2PU33JLUH

not attested not anchored not stored refs pending

EXIT Chart Analysis of Block Markov Superposition Transmission of Short Codes

Daniel J. Costello Jr, Kechao Huang, Xiao Ma

arxiv:1502.00079 v1 · 2015-01-31 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTGJ2DMF44GJL3OWK2PU33JLUH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:28:12.851407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64cc9d0d85e70c95edd6569f4ded2ba1c7a14cf53b4b85728a21a873a60b43cb

Aliases

arxiv: 1502.00079 · arxiv_version: 1502.00079v1 · doi: 10.48550/arxiv.1502.00079 · pith_short_12: MTGJ2DMF44GJ · pith_short_16: MTGJ2DMF44GJL3OW · pith_short_8: MTGJ2DMF

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/MTGJ2DMF44GJL3OWK2PU33JLUH \
  | 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: 64cc9d0d85e70c95edd6569f4ded2ba1c7a14cf53b4b85728a21a873a60b43cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "069c3ec9043f31c5ca7f571293aa5f1fdf3311b48eb2c1664f6fda98b5ab56fe",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-31T07:02:39Z",
    "title_canon_sha256": "aa2b744ce01f10f1728900506442031b6c4b93b780eaf57702f0f4d68768c9d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00079",
    "kind": "arxiv",
    "version": 1
  }
}