Pith Number

pith:DB4ERKDI

pith:2014:DB4ERKDIY3SLVJSZFHLFKHCKXI

not attested not anchored not stored refs pending

A New Upperbound for the Oblivious Transfer Capacity of Discrete Memoryless Channels

K. Sankeerth Rao, Vinod M. Prabhakaran

arxiv:1405.2049 v1 · 2014-05-08 · cs.IT · cs.CR · 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{DB4ERKDIY3SLVJSZFHLFKHCKXI}

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	2026-05-18T02:52:14.725993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187848a868c6e4baa65929d6551c4aba337626fee5e1637bf11b87b7f2404c24

Aliases

arxiv: 1405.2049 · arxiv_version: 1405.2049v1 · doi: 10.48550/arxiv.1405.2049 · pith_short_12: DB4ERKDIY3SL · pith_short_16: DB4ERKDIY3SLVJSZ · pith_short_8: DB4ERKDI

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/DB4ERKDIY3SLVJSZFHLFKHCKXI \
  | 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: 187848a868c6e4baa65929d6551c4aba337626fee5e1637bf11b87b7f2404c24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b658a02caab98cd5d3832fff0d22535fda8607741f3429356128f6c426f545b5",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-08T19:05:18Z",
    "title_canon_sha256": "86a09d6262006cd5a19718d737d56f3baed77bcfd36864d78c0a8595f8b163dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2049",
    "kind": "arxiv",
    "version": 1
  }
}