Pith Number

pith:QK5KAHTD

pith:2019:QK5KAHTDVVL6EO2OUA3OMTA2LY

not attested not anchored not stored refs pending

Automated Surgical Activity Recognition with One Labeled Sequence

Gregory D. Hager, Robert DiPietro

arxiv:1907.08825 v1 · 2019-07-20 · 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{QK5KAHTDVVL6EO2OUA3OMTA2LY}

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	2026-05-17T23:40:05.239607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82baa01e63ad57e23b4ea036e64c1a5e355cb50917f27f1ea152f3c182c638cb

Aliases

arxiv: 1907.08825 · arxiv_version: 1907.08825v1 · doi: 10.48550/arxiv.1907.08825 · pith_short_12: QK5KAHTDVVL6 · pith_short_16: QK5KAHTDVVL6EO2O · pith_short_8: QK5KAHTD

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/QK5KAHTDVVL6EO2OUA3OMTA2LY \
  | 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: 82baa01e63ad57e23b4ea036e64c1a5e355cb50917f27f1ea152f3c182c638cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68651ff37c7aa79ba20f7d87efdc55686f5f390dae4a3391552f2f0f2e00b7bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-20T15:26:51Z",
    "title_canon_sha256": "cf41489eea73f94ee12ab2fbf8eea8ea0849116ea0ff75f231ee73612837a3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08825",
    "kind": "arxiv",
    "version": 1
  }
}