Pith Number

pith:MBKQRVN4

pith:2020:MBKQRVN4GZHW6XBODOGENIEGH4

not attested not anchored not stored refs pending

Design and Implementation of a DTMF Based Pick and Place Robotic Arm

Mohtashim Baqar, Muhammad Hassan

arxiv:2004.04863 v1 · 2020-04-10 · eess.SY · cs.RO · cs.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{MBKQRVN4GZHW6XBODOGENIEGH4}

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	2026-07-05T00:54:14.920224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

605508d5bc364f6f5c2e1b8c46a0863f0051c35a570061c7f8145e9ad3226db0

Aliases

arxiv: 2004.04863 · arxiv_version: 2004.04863v1 · doi: 10.48550/arxiv.2004.04863 · pith_short_12: MBKQRVN4GZHW · pith_short_16: MBKQRVN4GZHW6XBO · pith_short_8: MBKQRVN4

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/MBKQRVN4GZHW6XBODOGENIEGH4 \
  | 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: 605508d5bc364f6f5c2e1b8c46a0863f0051c35a570061c7f8145e9ad3226db0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da702b4529adffdb73e77096130e1c98c9f487f5fb0e244bbbe5556dc4938b6",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-04-10T00:18:27Z",
    "title_canon_sha256": "a8cc76569e5fcec8e0f1dfb0a76ec3a55f39969dd722d718be1a6fcc2ec88441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04863",
    "kind": "arxiv",
    "version": 1
  }
}