Pith Number

pith:6HYDSAAG

pith:2017:6HYDSAAGISPO2WGQ6PIDFEYSSG

not attested not anchored not stored refs pending

On the Necessity of Structured Codes for Communications over MAC with Feedback

Farhad Shirani, Mohsen Heidari, S. Sandeep Pradhan

arxiv:1702.05544 v1 · 2017-02-17 · 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{6HYDSAAGISPO2WGQ6PIDFEYSSG}

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	2026-05-18T00:50:30.523497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1f0390006449eed58d0f3d032931291bd49c3d6396d2101c6e14e3406786f49

Aliases

arxiv: 1702.05544 · arxiv_version: 1702.05544v1 · doi: 10.48550/arxiv.1702.05544 · pith_short_12: 6HYDSAAGISPO · pith_short_16: 6HYDSAAGISPO2WGQ · pith_short_8: 6HYDSAAG

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/6HYDSAAGISPO2WGQ6PIDFEYSSG \
  | 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: f1f0390006449eed58d0f3d032931291bd49c3d6396d2101c6e14e3406786f49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9721a2cab01009073c7d1528cb434c44e0b9a5c4926527ea2733465cd2171aef",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-17T23:58:05Z",
    "title_canon_sha256": "64e7976c52fbd7acbea80cdbd72f7b7a60c73559c81b6a942b229fab0169d587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05544",
    "kind": "arxiv",
    "version": 1
  }
}