Pith Number

pith:PKYI7FRU

pith:2025:PKYI7FRUOAWM53AZW2ESFVZRHL

not attested not anchored not stored refs pending

SpellRing: Recognizing Continuous Fingerspelling in American Sign Language using a Ring

Cheng Zhang, Dylan Lee, Fran\c{c}ois Guimbreti\`ere, Franklin Mingzhe Li, Hyunchul Lim, Jane Lu, Nam Anh Dang, Tianhong Catherine Yu, Xiaojun Bi, Yan Ma, Yiqi Jin

arxiv:2502.10830 v1 · 2025-02-15 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKYI7FRUOAWM53AZW2ESFVZRHL}

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	2026-07-05T10:14:58.902739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab08f9634702cceec19b68922d7313acd01744fe9c2ea7dae9b88b59651c2e7

Aliases

arxiv: 2502.10830 · arxiv_version: 2502.10830v1 · doi: 10.48550/arxiv.2502.10830 · pith_short_12: PKYI7FRUOAWM · pith_short_16: PKYI7FRUOAWM53AZ · pith_short_8: PKYI7FRU

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/PKYI7FRUOAWM53AZW2ESFVZRHL \
  | 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: 7ab08f9634702cceec19b68922d7313acd01744fe9c2ea7dae9b88b59651c2e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17410b0096a79f5cbd1a029c67781d1f026dcc86de247c1d42d96789f2d6bede",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-02-15T15:12:42Z",
    "title_canon_sha256": "d1696244415764cfde8a4623a0a168266217fb39a6ff2a3295e82ee75f90e0cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.10830",
    "kind": "arxiv",
    "version": 1
  }
}