Pith Number

pith:42QI3C5N

pith:2011:42QI3C5N7QVCDRN26UNU2IMQDY

not attested not anchored not stored refs pending

Using Channel Output Feedback to Increase Throughput in Hybrid-ARQ

David J. Love, Mayur Agrawal, Venkataramanan Balakrishnan, Zachary Chance

arxiv:1104.2861 v5 · 2011-04-14 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42QI3C5N7QVCDRN26UNU2IMQDY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:02:28.746666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a08d8badfc2a21c5baf51b4d21901e089a58c612c512847ad47c686d07bf0e

Aliases

arxiv: 1104.2861 · arxiv_version: 1104.2861v5 · doi: 10.48550/arxiv.1104.2861 · pith_short_12: 42QI3C5N7QVC · pith_short_16: 42QI3C5N7QVCDRN2 · pith_short_8: 42QI3C5N

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/42QI3C5N7QVCDRN26UNU2IMQDY \
  | 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: e6a08d8badfc2a21c5baf51b4d21901e089a58c612c512847ad47c686d07bf0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de4e345f0faf62598470b0b2b60048bc9e89b55a178b5bcdc4ed3aa44038f3a1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-04-14T18:27:30Z",
    "title_canon_sha256": "12714c9c5455c7053910ad2647514419dc4fec20bec89da50696012e843c33e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2861",
    "kind": "arxiv",
    "version": 5
  }
}