Pith Number

pith:SSFGVUZM

pith:2025:SSFGVUZM2FZUVFZVZYWUUB5CJL

not attested not anchored not stored refs pending

Low-Cost Open-Source Ambidextrous Robotic Hand with 23 Direct-Drive servos for American Sign Language Alphabet

Kelvin Daniel Gonzalez Amador

arxiv:2509.03690 v1 · 2025-09-03 · 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{SSFGVUZM2FZUVFZVZYWUUB5CJL}

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	2026-07-05T12:04:44.368974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

948a6ad32cd1734a9735ce2d4a07a24ac709ed5726cdfa27f93863c554138817

Aliases

arxiv: 2509.03690 · arxiv_version: 2509.03690v1 · doi: 10.48550/arxiv.2509.03690 · pith_short_12: SSFGVUZM2FZU · pith_short_16: SSFGVUZM2FZUVFZV · pith_short_8: SSFGVUZM

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/SSFGVUZM2FZUVFZVZYWUUB5CJL \
  | 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: 948a6ad32cd1734a9735ce2d4a07a24ac709ed5726cdfa27f93863c554138817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a68493f3af3c1be84025b0b0381a54f68241bffcb77531489870054027608b4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-09-03T20:13:19Z",
    "title_canon_sha256": "b13fbb5bc40dae816f575da54cf7f039b338dad344cf76ba423ef4bf3152786d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.03690",
    "kind": "arxiv",
    "version": 1
  }
}