Pith Number

pith:HIMKRAEW

pith:2021:HIMKRAEWWP35MQE4UDXIKMZBBJ

not attested not anchored not stored refs pending

EmgAuth: Unlocking Smartphones with EMG Signals

Boyu Fan, Jianwei Niu, Pan Hui, Xiang Su

arxiv:2103.12542 v1 · 2021-03-21 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIMKRAEWWP35MQE4UDXIKMZBBJ}

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	2026-07-05T02:25:47.707007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a18a88096b3f7d6409ca0ee8533210a5f3e8d433e5c2fd5a4d7303cbf33e41c

Aliases

arxiv: 2103.12542 · arxiv_version: 2103.12542v1 · doi: 10.48550/arxiv.2103.12542 · pith_short_12: HIMKRAEWWP35 · pith_short_16: HIMKRAEWWP35MQE4 · pith_short_8: HIMKRAEW

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/HIMKRAEWWP35MQE4UDXIKMZBBJ \
  | 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: 3a18a88096b3f7d6409ca0ee8533210a5f3e8d433e5c2fd5a4d7303cbf33e41c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "277e5c7eeef20d4e7e9326e7c9833d9ec131006e6b71071173f9c26eb1f7838a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-03-21T07:17:54Z",
    "title_canon_sha256": "39375b6bb696586cae9ddd095d397121c530bf37b53e338c2bbc6f46cdf10b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12542",
    "kind": "arxiv",
    "version": 1
  }
}