Pith Number

pith:5BVGHMV4

pith:2008:5BVGHMV42XW5DNY4LEJKOYJSU2

not attested not anchored not stored refs pending

Bi-directional half-duplex protocols with multiple relays

Natasha Devroye, Sang Joon Kim, Vahid Tarokh

arxiv:0810.1268 v2 · 2008-10-07 · 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{5BVGHMV42XW5DNY4LEJKOYJSU2}

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	2026-05-18T04:41:14.295159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e86a63b2bcd5edd1b71c5912a76132a6ba72ffee012fcae57e6337fe895d0d86

Aliases

arxiv: 0810.1268 · arxiv_version: 0810.1268v2 · doi: 10.48550/arxiv.0810.1268 · pith_short_12: 5BVGHMV42XW5 · pith_short_16: 5BVGHMV42XW5DNY4 · pith_short_8: 5BVGHMV4

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/5BVGHMV42XW5DNY4LEJKOYJSU2 \
  | 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: e86a63b2bcd5edd1b71c5912a76132a6ba72ffee012fcae57e6337fe895d0d86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d92aab378521f1788f16a962a538d3d400baed15ff5f15150f9e7eb72d10f2f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-10-07T18:26:39Z",
    "title_canon_sha256": "580ee099f41cb006044330bb4532b3f0d2b49014b37c9de8cda158820710f273"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.1268",
    "kind": "arxiv",
    "version": 2
  }
}