Pith Number

pith:JT45O2IU

pith:2018:JT45O2IUO2ELYU6Q6DFHKK5UEC

not attested not anchored not stored refs pending

Practical GFDM-based Linear Receivers

Ahmad Nimr, Gerhard Fettweis, Marwa Chafii

arxiv:1812.05919 v1 · 2018-12-14 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JT45O2IUO2ELYU6Q6DFHKK5UEC}

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	2026-05-17T23:58:17.805600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf9d769147688bc53d0f0ca752bb420a10303c522066d7bf658ed2a84b45bac

Aliases

arxiv: 1812.05919 · arxiv_version: 1812.05919v1 · doi: 10.48550/arxiv.1812.05919 · pith_short_12: JT45O2IUO2EL · pith_short_16: JT45O2IUO2ELYU6Q · pith_short_8: JT45O2IU

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/JT45O2IUO2ELYU6Q6DFHKK5UEC \
  | 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: 4cf9d769147688bc53d0f0ca752bb420a10303c522066d7bf658ed2a84b45bac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35bb43e169510f49bd7d750311c72dd77423d9358750043a48161f694b12413c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-14T13:40:45Z",
    "title_canon_sha256": "9b62e84d3b6209393b06dd791a1b5b40d8c79cf41086da5085d05c2006f63dde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05919",
    "kind": "arxiv",
    "version": 1
  }
}