Pith Number

pith:Y2JHTK7X

pith:2019:Y2JHTK7XJBETCERAWLEGWA3DHF

not attested not anchored not stored refs pending

Comparing Direct and Indirect Representations for Environment-Specific Robot Component Design

Ben Cottier, David Howard, Jack Collins

arxiv:1901.06775 v1 · 2019-01-21 · cs.RO · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y2JHTK7XJBETCERAWLEGWA3DHF}

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	2026-05-17T23:55:49.177623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69279abf74849311220b2c86b0363396fb720861ca438fc8e7f0c993080cb0f

Aliases

arxiv: 1901.06775 · arxiv_version: 1901.06775v1 · doi: 10.48550/arxiv.1901.06775 · pith_short_12: Y2JHTK7XJBET · pith_short_16: Y2JHTK7XJBETCERA · pith_short_8: Y2JHTK7X

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/Y2JHTK7XJBETCERAWLEGWA3DHF \
  | 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: c69279abf74849311220b2c86b0363396fb720861ca438fc8e7f0c993080cb0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e23f091b14eaddbfb5f84a1d972ab24b332d8648347de7d30cab651569c65ab",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-01-21T02:56:08Z",
    "title_canon_sha256": "f846b91f0998454f9cb34fca7804c602878ae7a729616b19849a92f5ef411470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06775",
    "kind": "arxiv",
    "version": 1
  }
}