Pith Number

pith:NUNABQ4S

pith:2017:NUNABQ4SQPGL4I4IRD7LXDLZS6

not attested not anchored not stored refs pending

An adaptive software defined radio design based on a standard space telecommunication radio system API

Erik Blasch, Genshe Chen, Khanh Pham, Wenhao Xiong, Xin Tian

arxiv:1711.09311 v1 · 2017-11-26 · 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{NUNABQ4SQPGL4I4IRD7LXDLZS6}

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	2026-05-18T00:29:36.048271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d1a00c39283ccbe238888febb8d7997a4d5e70b88d6fd891fbdb01085a0896a

Aliases

arxiv: 1711.09311 · arxiv_version: 1711.09311v1 · doi: 10.48550/arxiv.1711.09311 · pith_short_12: NUNABQ4SQPGL · pith_short_16: NUNABQ4SQPGL4I4I · pith_short_8: NUNABQ4S

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/NUNABQ4SQPGL4I4IRD7LXDLZS6 \
  | 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: 6d1a00c39283ccbe238888febb8d7997a4d5e70b88d6fd891fbdb01085a0896a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b798c0365d47baa66a15abf638ca9fc34873fb6accff5a1dda47c36c294dcb62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-11-26T00:07:44Z",
    "title_canon_sha256": "427d003bc3d04497b004d83491f15a79a145504669df02f397bed480ba660069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09311",
    "kind": "arxiv",
    "version": 1
  }
}