Pith Number

pith:6DCCLSJP

pith:2021:6DCCLSJP7HI77AI7VTP3RCZ47Y

not attested not anchored not stored refs pending

Exercise with Social Robots: Companion or Coach?

Alexander Sutherland, Erik Strahl, Manfred Eppe, Matthias Kerzel, Sascha Griffiths, Stefan Wermter, Tayfun Alpay

arxiv:2103.12940 v1 · 2021-03-24 · cs.RO · 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{6DCCLSJP7HI77AI7VTP3RCZ47Y}

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	2026-07-05T02:26:03.955998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0c425c92ff9d1ff811facdfb88b3cfe330cc12c77bb32d5d5db48ab41489fe3

Aliases

arxiv: 2103.12940 · arxiv_version: 2103.12940v1 · doi: 10.48550/arxiv.2103.12940 · pith_short_12: 6DCCLSJP7HI7 · pith_short_16: 6DCCLSJP7HI77AI7 · pith_short_8: 6DCCLSJP

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/6DCCLSJP7HI77AI7VTP3RCZ47Y \
  | 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: f0c425c92ff9d1ff811facdfb88b3cfe330cc12c77bb32d5d5db48ab41489fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20273013d2eba3b5e336ad54f9ee0dc6cec65bfa0ca95bf458deb5ce8160b73f",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-03-24T02:25:05Z",
    "title_canon_sha256": "5d6d3658db31d3adba199ea4072dcb424fd991a2eab3af46dd1db3faae136feb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12940",
    "kind": "arxiv",
    "version": 1
  }
}