Pith Number

pith:L2FHS7TW

pith:2021:L2FHS7TWX4XSABL6HRCV7QZXLY

not attested not anchored not stored refs pending

ACP++: Action Co-occurrence Priors for Human-Object Interaction Detection

Dong-Jin Kim, In So Kweon, Jinsoo Choi, Stephen Lin, Xiao Sun

arxiv:2109.04047 v1 · 2021-09-09 · cs.CV · 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{L2FHS7TWX4XSABL6HRCV7QZXLY}

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	2026-07-05T03:34:34.648663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8a797e76bf2f20057e3c455fc3375e1f3989ec72f9bc89c5e45a27016b608d

Aliases

arxiv: 2109.04047 · arxiv_version: 2109.04047v1 · doi: 10.48550/arxiv.2109.04047 · pith_short_12: L2FHS7TWX4XS · pith_short_16: L2FHS7TWX4XSABL6 · pith_short_8: L2FHS7TW

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/L2FHS7TWX4XSABL6HRCV7QZXLY \
  | 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: 5e8a797e76bf2f20057e3c455fc3375e1f3989ec72f9bc89c5e45a27016b608d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9f68be5234ba0c9bb7a8b01c8e586a6de212c4d1e91c0b1c35f9749a25b2469",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-09T06:02:50Z",
    "title_canon_sha256": "cfd81d73fa063f99e3a6bc08616e1ea43fd5b196846997353d18eb0a9e6b8cea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.04047",
    "kind": "arxiv",
    "version": 1
  }
}