Pith Number

pith:AY3KBQWD

pith:2016:AY3KBQWDTPU7SH6DTCTI56FZMP

not attested not anchored not stored refs pending

Interactive Multiple Model Estimation of Doubly-Selective Channels for OFDM systems

Amr El-Keyi, Mahmoud Ashour

arxiv:1602.01038 v1 · 2016-02-02 · 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{AY3KBQWDTPU7SH6DTCTI56FZMP}

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	2026-05-18T01:21:23.926859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0636a0c2c39be9f91fc398a68ef8b963e9973bab5beeb0c87bbcf5c158faab4a

Aliases

arxiv: 1602.01038 · arxiv_version: 1602.01038v1 · doi: 10.48550/arxiv.1602.01038 · pith_short_12: AY3KBQWDTPU7 · pith_short_16: AY3KBQWDTPU7SH6D · pith_short_8: AY3KBQWD

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/AY3KBQWDTPU7SH6DTCTI56FZMP \
  | 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: 0636a0c2c39be9f91fc398a68ef8b963e9973bab5beeb0c87bbcf5c158faab4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef697608383f4cdc0d3201140afc9ff871e5b45ed4e298976eb5b912f047b6e2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-02-02T18:41:37Z",
    "title_canon_sha256": "95789967419731e2e2d1eb77ae97bb7be6281a45a45129c375528c1ee55a94ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01038",
    "kind": "arxiv",
    "version": 1
  }
}