Pith Number

pith:TJH4EIWJ

pith:2018:TJH4EIWJJ7TR3VIGVBNJAT5QQU

not attested not anchored not stored refs pending

Featureless: Bypassing feature extraction in action categorization

Arnold W. M. Smeulders, Jan C. van Gemert, Pascal S. Mettes, Silvia L. Pintea

arxiv:1803.06962 v1 · 2018-03-19 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJH4EIWJJ7TR3VIGVBNJAT5QQU}

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	2026-05-18T00:20:40.745235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a4fc222c94fe71dd506a85a904fb0850f9c7165b1c5a2786a5fd8f39cea6eaf

Aliases

arxiv: 1803.06962 · arxiv_version: 1803.06962v1 · doi: 10.48550/arxiv.1803.06962 · pith_short_12: TJH4EIWJJ7TR · pith_short_16: TJH4EIWJJ7TR3VIG · pith_short_8: TJH4EIWJ

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/TJH4EIWJJ7TR3VIGVBNJAT5QQU \
  | 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: 9a4fc222c94fe71dd506a85a904fb0850f9c7165b1c5a2786a5fd8f39cea6eaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23d3f68791da6a07bae3a58415882306e16a33092c51b1cc5583a17cf10c0d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-19T14:47:09Z",
    "title_canon_sha256": "b916c396a091e21ada75d8ce600d3e4b29c0ca6eb579bf45bbc30ce3ea13aef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06962",
    "kind": "arxiv",
    "version": 1
  }
}