Pith Number

pith:WPOY73QJ

pith:2021:WPOY73QJLZDIB3FHGHCFJEKBZG

not attested not anchored not stored refs pending

Comparison of wide-band vibrotactile and friction modulation surface gratings

J. Edward Colgate, Michael A. Peshkin, Roman V. Grigorii, Yifei Li

arxiv:2103.16637 v1 · 2021-03-30 · cs.HC · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPOY73QJLZDIB3FHGHCFJEKBZG}

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	2026-07-05T02:27:56.687130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3dd8fee095e4680eca731c4549141c98dc11bb4805e50561e7b498289973e9a

Aliases

arxiv: 2103.16637 · arxiv_version: 2103.16637v1 · doi: 10.48550/arxiv.2103.16637 · pith_short_12: WPOY73QJLZDI · pith_short_16: WPOY73QJLZDIB3FH · pith_short_8: WPOY73QJ

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/WPOY73QJLZDIB3FHGHCFJEKBZG \
  | 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: b3dd8fee095e4680eca731c4549141c98dc11bb4805e50561e7b498289973e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c99fe5b4045192dc9f4b2ed7ddbffa4b4ba259f30fb1402b43c0a3c57632f0b3",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-03-30T19:21:34Z",
    "title_canon_sha256": "ef7874521c73697c8314d72fcf51b23e3bcde8ac68e534f8676ac452ff86746e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16637",
    "kind": "arxiv",
    "version": 1
  }
}