Pith Number

pith:L3RY4HNU

pith:2012:L3RY4HNU6DQF2CY73SYFHCF35J

not attested not anchored not stored refs pending

Distributed Space Time Coding for Wireless Two-way Relaying

B. Sundar Rajan, Vijayvaradharaj T. Muralidharan

arxiv:1203.3128 v3 · 2012-03-14 · 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{L3RY4HNU6DQF2CY73SYFHCF35J}

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	2026-05-18T01:58:08.814649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ee38e1db4f0e05d0b1fdcb05388bbea47fbaba619806dce4e7208a1dfa48cbe

Aliases

arxiv: 1203.3128 · arxiv_version: 1203.3128v3 · doi: 10.48550/arxiv.1203.3128 · pith_short_12: L3RY4HNU6DQF · pith_short_16: L3RY4HNU6DQF2CY7 · pith_short_8: L3RY4HNU

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/L3RY4HNU6DQF2CY73SYFHCF35J \
  | 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: 5ee38e1db4f0e05d0b1fdcb05388bbea47fbaba619806dce4e7208a1dfa48cbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "379f99caae617c6c1964c5e6d8d0302ddd6dd0d71c51c5f6c2ff29873ffc64e4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-14T16:30:01Z",
    "title_canon_sha256": "b9d497533d4c4e79b61b72e63b0e47ef43794eab3d2d1f51be809f9c1ff7ad79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3128",
    "kind": "arxiv",
    "version": 3
  }
}