Pith Number

pith:IUUORTPA

pith:2011:IUUORTPAIGDLM77I5L62OUZYJC

not attested not anchored not stored refs pending

Multilevel Coding Schemes for Compute-and-Forward with Flexible Decoding

Brett Hern, Krishna Narayanan

arxiv:1112.2690 v2 · 2011-12-12 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T00:58:18.551798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4528e8cde04186b67fe8eafda7533848ad01073a3477e076158ce2e15cdc1b90

Aliases

arxiv: 1112.2690 · arxiv_version: 1112.2690v2 · doi: 10.48550/arxiv.1112.2690 · pith_short_12: IUUORTPAIGDL · pith_short_16: IUUORTPAIGDLM77I · pith_short_8: IUUORTPA

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/IUUORTPAIGDLM77I5L62OUZYJC \
  | 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: 4528e8cde04186b67fe8eafda7533848ad01073a3477e076158ce2e15cdc1b90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946aecae3970c74505a902c9b11b48d17256f3621da3515d071625af57ac3229",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-12T20:37:34Z",
    "title_canon_sha256": "ed59f4705d43259d575bc4e0b6cec141d5ffd6507934ac4d55985ca8b94ee642"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2690",
    "kind": "arxiv",
    "version": 2
  }
}