Pith Number

pith:5UYWL3HK

pith:2019:5UYWL3HKIGPBYT7VQ7QZK2AW43

not attested not anchored not stored refs pending

Sparse IDMA: A Joint Graph-Based Coding Scheme for Unsourced Random Access

Asit Pradhan, Avinash Vem, Jean-Francois Chamberland, Krishna R. Narayanan, Vamsi Amalladinne

arxiv:1906.05410 v2 · 2019-06-12 · 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{5UYWL3HKIGPBYT7VQ7QZK2AW43}

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.

Cited by

1 paper in Pith

Energy efficient coded random access for the wireless uplink

Receipt and verification

First computed	2026-07-05T01:53:06.548325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3165ecea419e1c4ff587e1956816e6f2689622b89ce0f45d41c6a0bc51df4e

Aliases

arxiv: 1906.05410 · arxiv_version: 1906.05410v2 · doi: 10.48550/arxiv.1906.05410 · pith_short_12: 5UYWL3HKIGPB · pith_short_16: 5UYWL3HKIGPBYT7V · pith_short_8: 5UYWL3HK

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/5UYWL3HKIGPBYT7VQ7QZK2AW43 \
  | 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: ed3165ecea419e1c4ff587e1956816e6f2689622b89ce0f45d41c6a0bc51df4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a60b1eab77a12004c1844d6175e6e19f0b07954a4ffa6252d8c7b2e4c7061e55",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-12T22:30:58Z",
    "title_canon_sha256": "c6f1868705be8b7a427c23bbc08465e829df35389b1bae334ddf7999cda7eeda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05410",
    "kind": "arxiv",
    "version": 2
  }
}