Pith Number

pith:DLML6AGV

pith:2008:DLML6AGVEZUSPX5MO6C7LHG7EJ

not attested not anchored not stored refs pending

An Efficient Adaptive Distributed Space-Time Coding Scheme for Cooperative Relaying

Amir K. Khandani, Hossein Bagheri, Jamshid Abouei

arxiv:0812.1203 v2 · 2008-12-05 · 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{DLML6AGVEZUSPX5MO6C7LHG7EJ}

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	2026-05-18T00:57:58.379595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad8bf00d5266927dfac7785f59cdf225dfc3dc4479da38082e89d6cdfd9bd04

Aliases

arxiv: 0812.1203 · arxiv_version: 0812.1203v2 · doi: 10.48550/arxiv.0812.1203 · pith_short_12: DLML6AGVEZUS · pith_short_16: DLML6AGVEZUSPX5M · pith_short_8: DLML6AGV

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/DLML6AGVEZUSPX5MO6C7LHG7EJ \
  | 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: 1ad8bf00d5266927dfac7785f59cdf225dfc3dc4479da38082e89d6cdfd9bd04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eeef97e6a502b935e9a053ec7e4d3938efc726d83573cbdf4ff291f8f67b2f5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-12-05T19:34:03Z",
    "title_canon_sha256": "ed4b9f85ff2a7f20be7a90aea40c136225e3f3771008639e1f58043f7c098923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1203",
    "kind": "arxiv",
    "version": 2
  }
}