Pith Number

pith:YJQZRFKB

pith:2018:YJQZRFKBNLKUJWYIFVV7AXP4AJ

not attested not anchored not stored refs pending

Covfefe: A Computer Vision Approach For Estimating Force Exertion

Denny Yu, Hamed Asadi, Jae Joong Lee, Mayank Gupta, Vaneet Aggarwal

arxiv:1809.09293 v1 · 2018-09-25 · cs.HC · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJQZRFKBNLKUJWYIFVV7AXP4AJ}

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	2026-05-18T00:04:53.784446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2619895416ad544db082d6bf05dfc026c6b1cca6774c8475a3b33b531dc3f80

Aliases

arxiv: 1809.09293 · arxiv_version: 1809.09293v1 · doi: 10.48550/arxiv.1809.09293 · pith_short_12: YJQZRFKBNLKU · pith_short_16: YJQZRFKBNLKUJWYI · pith_short_8: YJQZRFKB

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/YJQZRFKBNLKUJWYIFVV7AXP4AJ \
  | 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: c2619895416ad544db082d6bf05dfc026c6b1cca6774c8475a3b33b531dc3f80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61cf745e8b3c83777b63f3b9d3b11f39c1810b364feb5de522e0f15747c105f1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2018-09-25T02:45:19Z",
    "title_canon_sha256": "79a231809c0e0b297c1fce321c770a719200725cb70c1d8ac600a03f3f4b0aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09293",
    "kind": "arxiv",
    "version": 1
  }
}