Pith Number

pith:5HUGAUW5

pith:2012:5HUGAUW5VYYQZQRCVOCMHR3TMI

not attested not anchored not stored refs pending

Comparative Analysis of Probabilistic Models for Activity Recognition with an Instrumented Walker

Allen Caine, Farheen Omar, Jakub Truszkowski, James Tung, Mathieu Sinn, Pascal Poupart

arxiv:1203.3500 v1 · 2012-03-15 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HUGAUW5VYYQZQRCVOCMHR3TMI}

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	2026-05-18T04:00:00.193261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9e86052ddae310cc222ab84c3c773623d3b14374bc7136383b04d93fd4362f4

Aliases

arxiv: 1203.3500 · arxiv_version: 1203.3500v1 · doi: 10.48550/arxiv.1203.3500 · pith_short_12: 5HUGAUW5VYYQ · pith_short_16: 5HUGAUW5VYYQZQRC · pith_short_8: 5HUGAUW5

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/5HUGAUW5VYYQZQRCVOCMHR3TMI \
  | 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: e9e86052ddae310cc222ab84c3c773623d3b14374bc7136383b04d93fd4362f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a6fc5830cc4b665131210dde970637c2de1a816807910dc8a64b398fcb65ea5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-03-15T11:17:56Z",
    "title_canon_sha256": "9ae22da64d5e8ed8d1cbd10bf6c977d458de1949c18b30d417be244f7c47485d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3500",
    "kind": "arxiv",
    "version": 1
  }
}