Pith Number

pith:2K26TQOV

pith:2017:2K26TQOVBTG77X3PEVX745RQ6V

not attested not anchored not stored refs pending

Learning Latent Super-Events to Detect Multiple Activities in Videos

AJ Piergiovanni, Michael S. Ryoo

arxiv:1712.01938 v2 · 2017-12-05 · 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{2K26TQOVBTG77X3PEVX745RQ6V}

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	2026-05-18T00:19:53.289435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2b5e9c1d50ccdffdf6f256ffe7630f5798c464aa19456b851635e3cd491312a

Aliases

arxiv: 1712.01938 · arxiv_version: 1712.01938v2 · doi: 10.48550/arxiv.1712.01938 · pith_short_12: 2K26TQOVBTG7 · pith_short_16: 2K26TQOVBTG77X3P · pith_short_8: 2K26TQOV

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/2K26TQOVBTG77X3PEVX745RQ6V \
  | 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: d2b5e9c1d50ccdffdf6f256ffe7630f5798c464aa19456b851635e3cd491312a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccdc242dfb04005492851e10ba3dfacf1ce2a0c93f1f83af0b847551280d97a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-12-05T21:40:09Z",
    "title_canon_sha256": "2760074550e3fe08239851b661e5b297cccdd265867146202b9a005e1c44528d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01938",
    "kind": "arxiv",
    "version": 2
  }
}