Pith Number

pith:3GGFWDCP

pith:2018:3GGFWDCPBDT4KOPC37B4MHBPDG

not attested not anchored not stored refs pending

Principal Components of Touch

David A. W. Barton, Kirsty Aquilina, Nathan F. Lepora

arxiv:1805.08039 v2 · 2018-05-21 · 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{3GGFWDCPBDT4KOPC37B4MHBPDG}

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	2026-07-05T02:20:51.371572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d98c5b0c4f08e7c539e2dfc3c61c2f199ae827828b24691edd7e29a0b917e739

Aliases

arxiv: 1805.08039 · arxiv_version: 1805.08039v2 · doi: 10.48550/arxiv.1805.08039 · pith_short_12: 3GGFWDCPBDT4 · pith_short_16: 3GGFWDCPBDT4KOPC · pith_short_8: 3GGFWDCP

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/3GGFWDCPBDT4KOPC37B4MHBPDG \
  | 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: d98c5b0c4f08e7c539e2dfc3c61c2f199ae827828b24691edd7e29a0b917e739

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33f24dd7abbc8f02a249c4350dff0623fbeb5a265a2e8314fd4d55c1c79c0730",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-05-21T13:25:18Z",
    "title_canon_sha256": "2b914b40b0521b8a8e2f03c8fb4b769d9e9dc6960d79047c1576d9189f1fbe2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08039",
    "kind": "arxiv",
    "version": 2
  }
}