Pith Number

pith:5I5YLSCQ

pith:2016:5I5YLSCQD7XCXRHXVOG3T4R524

not attested not anchored not stored refs pending

Open and Regionalised Spectrum Repositories for Emerging Countries

Andr\'es Arcia-Moret, Arjuna Sathiaseelan, David Johnson, Ermanno Pietrosemoli, Freddy Rond\'on, Marco Zennaro

arxiv:1607.08227 v1 · 2016-07-17 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5I5YLSCQD7XCXRHXVOG3T4R524}

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	2026-05-18T01:10:20.688904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea3b85c8501fee2bc4f7ab8db9f23dd720488a4bbb0ad68e57289efed032e6cf

Aliases

arxiv: 1607.08227 · arxiv_version: 1607.08227v1 · doi: 10.48550/arxiv.1607.08227 · pith_short_12: 5I5YLSCQD7XC · pith_short_16: 5I5YLSCQD7XCXRHX · pith_short_8: 5I5YLSCQ

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/5I5YLSCQD7XCXRHXVOG3T4R524 \
  | 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: ea3b85c8501fee2bc4f7ab8db9f23dd720488a4bbb0ad68e57289efed032e6cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "533451ab14b5708d6b94bf5d5c750382f92ed9a37f9190527dcee5c6d8aeafb8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2016-07-17T10:22:41Z",
    "title_canon_sha256": "c54548618dca9078189a6b6e45a3d9a7699ed42c7bef80374f85293d8be37130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08227",
    "kind": "arxiv",
    "version": 1
  }
}