Pith Number

pith:FPDKSAZR

pith:2024:FPDKSAZR7HZUOCCTGMDMPDIYNP

not attested not anchored not stored refs pending

Diffusion Model-based Contrastive Learning for Human Activity Recognition

Chunjing Xiao, Fangzhan Shi, Kevin Chetty, Wei Yang, Yane Hou, Yanhui Han

arxiv:2408.05567 v1 · 2024-08-10 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPDKSAZR7HZUOCCTGMDMPDIYNP}

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	2026-07-05T08:54:21.988647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc6a90331f9f34708533306c78d186be7140efa4637c35478d6e59c784297f6

Aliases

arxiv: 2408.05567 · arxiv_version: 2408.05567v1 · doi: 10.48550/arxiv.2408.05567 · pith_short_12: FPDKSAZR7HZU · pith_short_16: FPDKSAZR7HZUOCCT · pith_short_8: FPDKSAZR

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/FPDKSAZR7HZUOCCTGMDMPDIYNP \
  | 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: 2bc6a90331f9f34708533306c78d186be7140efa4637c35478d6e59c784297f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67460aa293dbf3f5b0440c7936f686362e43992d9c098a66165d8ee21d9dd7a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2024-08-10T14:25:38Z",
    "title_canon_sha256": "5b4804bd472bcf1dcfd8f4fdb8b9c07a6769fde87542f5e3c3aed990f9598f9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.05567",
    "kind": "arxiv",
    "version": 1
  }
}