Pith Number

pith:WBCYXQV4

pith:2025:WBCYXQV4MX7JIMFFPDSQL5OCCV

not attested not anchored not stored refs pending

EgoCHARM: Resource-Efficient Hierarchical Activity Recognition using an Egocentric IMU Sensor

Akhil Padmanabha, Doruk Senkal, Hwanmun Kim, Rahul Rajan, Saravanan Govindarajan, Sergio Ortiz, Sneha Kadetotad

arxiv:2504.17735 v1 · 2025-04-24 · cs.CV · 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{WBCYXQV4MX7JIMFFPDSQL5OCCV}

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	2026-07-05T10:53:40.273125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0458bc2bc65fe9430a578e505f5c215447de20a8bb958a236c7e47afcc25cf7

Aliases

arxiv: 2504.17735 · arxiv_version: 2504.17735v1 · doi: 10.48550/arxiv.2504.17735 · pith_short_12: WBCYXQV4MX7J · pith_short_16: WBCYXQV4MX7JIMFF · pith_short_8: WBCYXQV4

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/WBCYXQV4MX7JIMFFPDSQL5OCCV \
  | 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: b0458bc2bc65fe9430a578e505f5c215447de20a8bb958a236c7e47afcc25cf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbe8ccc96cac0cf5aeeb55205928bad6e99156097f62a55ef26a7bd2057a87d8",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-24T16:48:45Z",
    "title_canon_sha256": "b2f0aaa661efacd1c7fbf45212c159ddc3c8698d081a8029b57ab41c47a80b8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17735",
    "kind": "arxiv",
    "version": 1
  }
}