Pith Number

pith:3WAMUCGS

pith:2016:3WAMUCGSLTDNIRCBG6TJDMMUKD

not attested not anchored not stored refs pending

Action2Activity: Recognizing Complex Activities from Sensor Data

David S Rosenblum, Lei Han, Liqiang Nie, Luming Zhang, Ye Liu

arxiv:1611.01872 v1 · 2016-11-07 · 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{3WAMUCGSLTDNIRCBG6TJDMMUKD}

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	2026-05-18T01:00:04.253032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd80ca08d25cc6d4444137a691b19450fb7fe185498f121b6e0d5146b55da9d5

Aliases

arxiv: 1611.01872 · arxiv_version: 1611.01872v1 · doi: 10.48550/arxiv.1611.01872 · pith_short_12: 3WAMUCGSLTDN · pith_short_16: 3WAMUCGSLTDNIRCB · pith_short_8: 3WAMUCGS

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/3WAMUCGSLTDNIRCBG6TJDMMUKD \
  | 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: dd80ca08d25cc6d4444137a691b19450fb7fe185498f121b6e0d5146b55da9d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f295dcc11a1e32c678151438106aa1ccf355ca1ba21407691ba5b18bcd9154a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-11-07T02:01:29Z",
    "title_canon_sha256": "2415fb5e4f8fe35ce65bf6aab5508a2a06f5dd5035b0222b15ee2c5562d4627c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01872",
    "kind": "arxiv",
    "version": 1
  }
}