Pith Number

pith:MT7CXZPD

pith:2019:MT7CXZPDFKIJUNC5GBXTBD6N2V

not attested not anchored not stored refs pending

Safety experiments for small robots investigating the potential of soft materials in mitigating the harm to the head due to impacts

Ahmad Hayek, Ahmad Yaser Alhaddad, Andrea Bonarini, John-John Cabibihan

arxiv:1904.09621 v1 · 2019-04-21 · 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{MT7CXZPDFKIJUNC5GBXTBD6N2V}

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	2026-05-17T23:48:03.810525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64fe2be5e32a909a345d306f308fcdd57e56b8f5add6ec9915efbfcf59e8fc6a

Aliases

arxiv: 1904.09621 · arxiv_version: 1904.09621v1 · doi: 10.48550/arxiv.1904.09621 · pith_short_12: MT7CXZPDFKIJ · pith_short_16: MT7CXZPDFKIJUNC5 · pith_short_8: MT7CXZPD

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/MT7CXZPDFKIJUNC5GBXTBD6N2V \
  | 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: 64fe2be5e32a909a345d306f308fcdd57e56b8f5add6ec9915efbfcf59e8fc6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05c93230972bd3fc4de96fdae8dfc02829a7f1b58e2e1d853748c3ca75321ead",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-04-21T16:35:08Z",
    "title_canon_sha256": "1dd40bc99ccaa7140d30c67a9a5d9fb7c9a8b024f38123292a7465e2ee94a3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09621",
    "kind": "arxiv",
    "version": 1
  }
}