Pith Number

pith:U4W6CBFI

pith:2023:U4W6CBFII7UGEIT44EDY7OODST

not attested not anchored not stored refs pending

eViper: A Scalable Platform for Untethered Modular Soft Robots

Ben Kim, Hsin Cheng, James C. Sturm, Minjie Chen, Naveen Verma, Prakhar Kumar, Sigurd Wagner, Wali Afridi, Zhiwu Zheng

arxiv:2303.01676 v2 · 2023-03-03 · 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{U4W6CBFII7UGEIT44EDY7OODST}

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	2026-07-05T07:12:48.253330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a72de104a847e862227ce1078fb9c394f00e9e6837c4552b7db98fcffc1eee2c

Aliases

arxiv: 2303.01676 · arxiv_version: 2303.01676v2 · doi: 10.48550/arxiv.2303.01676 · pith_short_12: U4W6CBFII7UG · pith_short_16: U4W6CBFII7UGEIT4 · pith_short_8: U4W6CBFI

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/U4W6CBFII7UGEIT44EDY7OODST \
  | 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: a72de104a847e862227ce1078fb9c394f00e9e6837c4552b7db98fcffc1eee2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7df8cd0b68575764632a0b891fbc0c6eee0a05f50656791efc5d1a9f4e82e1ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2023-03-03T02:31:00Z",
    "title_canon_sha256": "2d50dd0ce5942d1e25644361d4cf7621fcdecc3687babd65082f2b494269c0da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.01676",
    "kind": "arxiv",
    "version": 2
  }
}