Pith Number

pith:7P4GSGI7

pith:2015:7P4GSGI72E563PAAHKCUTIYPDQ

not attested not anchored not stored refs pending

On the Oblivious Transfer Capacity of the Degraded Wiretapped Binary Erasure Channel

Bikash Kumar Dey, Manoj Mishra, Suhas Diggavi, Vinod M. Prabhakaran

arxiv:1504.04499 v1 · 2015-04-17 · 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{7P4GSGI72E563PAAHKCUTIYPDQ}

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	2026-05-18T00:58:35.792512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf869191fd13bedbc003a8549a30f1c333f1644bdd517bc3ebd86666a3132fd

Aliases

arxiv: 1504.04499 · arxiv_version: 1504.04499v1 · doi: 10.48550/arxiv.1504.04499 · pith_short_12: 7P4GSGI72E56 · pith_short_16: 7P4GSGI72E563PAA · pith_short_8: 7P4GSGI7

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/7P4GSGI72E563PAAHKCUTIYPDQ \
  | 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: fbf869191fd13bedbc003a8549a30f1c333f1644bdd517bc3ebd86666a3132fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e03419ad1c221af54b8a04d347297bfe6714566c1b911cdb2a0468141eb16ce",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-17T13:00:47Z",
    "title_canon_sha256": "e9d99887d3597e7dd42066173e61889530bf13790bfa4a3f604bf03fe3afc386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04499",
    "kind": "arxiv",
    "version": 1
  }
}