Pith Number

pith:7PTBKXUH

pith:2019:7PTBKXUHAIVOAFUAUCH4BVPDDI

not attested not anchored not stored refs pending

Coding Techniques for Future Wi-Fi

A. G. D. Uchoa, R. C. de Lamare

arxiv:1901.01348 v1 · 2019-01-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PTBKXUHAIVOAFUAUCH4BVPDDI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:56:52.162562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbe6155e87022ae01680a08fc0d5e31a12f411f5b57850fb5801ecb77e3b038d

Aliases

arxiv: 1901.01348 · arxiv_version: 1901.01348v1 · doi: 10.48550/arxiv.1901.01348 · pith_short_12: 7PTBKXUHAIVO · pith_short_16: 7PTBKXUHAIVOAFUA · pith_short_8: 7PTBKXUH

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/7PTBKXUHAIVOAFUAUCH4BVPDDI \
  | 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: fbe6155e87022ae01680a08fc0d5e31a12f411f5b57850fb5801ecb77e3b038d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18d1a157f650d9110e08fe4c53ef455ea99dd48dcb9aab3a8f93571b38b1f33c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-05T00:58:47Z",
    "title_canon_sha256": "bc79e08f8197a3393d3b3993475d7dcb8b3241a79a0715b6e6fc31d617f5c8ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01348",
    "kind": "arxiv",
    "version": 1
  }
}