Pith Number

pith:QEUKZBHT

pith:2017:QEUKZBHTYCPQQYP4IBUPJX2IX3

not attested not anchored not stored refs pending

Shape-independent Hardness Estimation Using Deep Learning and a GelSight Tactile Sensor

Andrew Owens, Chenzhuo Zhu, Edward H. Adelson, Mandayam A. Srinivasan, Wenzhen Yuan

arxiv:1704.03955 v1 · 2017-04-13 · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QEUKZBHTYCPQQYP4IBUPJX2IX3}

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	2026-05-18T00:34:30.963033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8128ac84f3c09f0861fc4068f4df48beefbbc3080ca593bd4c2923c3be40c7a2

Aliases

arxiv: 1704.03955 · arxiv_version: 1704.03955v1 · doi: 10.48550/arxiv.1704.03955 · pith_short_12: QEUKZBHTYCPQ · pith_short_16: QEUKZBHTYCPQQYP4 · pith_short_8: QEUKZBHT

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/QEUKZBHTYCPQQYP4IBUPJX2IX3 \
  | 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: 8128ac84f3c09f0861fc4068f4df48beefbbc3080ca593bd4c2923c3be40c7a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80e53a957d19a6bb9b51d270505692d08e8b87963afe2c0d6222a94c68ebf17a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2017-04-13T00:12:48Z",
    "title_canon_sha256": "d2c5def49ea2c2b221a1ed2b2ce6f5a1b1aa50b040e8cda402010c77e4e8f6a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03955",
    "kind": "arxiv",
    "version": 1
  }
}