Pith Number

pith:KWGXLQMU

pith:2020:KWGXLQMU7TJX4ZEUS53ZK3VGXZ

not attested not anchored not stored refs pending

Contrastive Predictive Coding for Human Activity Recognition

Harish Haresamudram, Irfan Essa, Thomas Ploetz

arxiv:2012.05333 v1 · 2020-12-09 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KWGXLQMU7TJX4ZEUS53ZK3VGXZ}

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	2026-07-05T01:58:22.493069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558d75c194fcd37e64949777956ea6be7a73eceb358310677c80c20f2dffa297

Aliases

arxiv: 2012.05333 · arxiv_version: 2012.05333v1 · doi: 10.48550/arxiv.2012.05333 · pith_short_12: KWGXLQMU7TJX · pith_short_16: KWGXLQMU7TJX4ZEU · pith_short_8: KWGXLQMU

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/KWGXLQMU7TJX4ZEUS53ZK3VGXZ \
  | 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: 558d75c194fcd37e64949777956ea6be7a73eceb358310677c80c20f2dffa297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15726abe328864e2da5089ef437e8b01627ca99c98562d86f5d7d25c6129b9a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-12-09T21:44:36Z",
    "title_canon_sha256": "fd469dcfa378489d6673ffae0efa57ad6de8f6c177d1c312f280abe462187d37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.05333",
    "kind": "arxiv",
    "version": 1
  }
}