Pith Number

pith:22W3MFRW

pith:2017:22W3MFRWFVFE23CJB3WXD7ME6M

not attested not anchored not stored refs pending

What Actions are Needed for Understanding Human Actions in Videos?

Abhinav Gupta, Gunnar A. Sigurdsson, Olga Russakovsky

arxiv:1708.02696 v1 · 2017-08-09 · 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{22W3MFRWFVFE23CJB3WXD7ME6M}

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	2026-05-18T00:38:19.881758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6adb616362d4a4d6c490eed71fd84f3208f28a56f06e2ac89bdfa8826d3a11e

Aliases

arxiv: 1708.02696 · arxiv_version: 1708.02696v1 · doi: 10.48550/arxiv.1708.02696 · pith_short_12: 22W3MFRWFVFE · pith_short_16: 22W3MFRWFVFE23CJ · pith_short_8: 22W3MFRW

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/22W3MFRWFVFE23CJB3WXD7ME6M \
  | 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: d6adb616362d4a4d6c490eed71fd84f3208f28a56f06e2ac89bdfa8826d3a11e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "371d497827bdedfe3eda198d81f413fd22395a7fddd8be24b1e19ac9197d55d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-09T02:25:56Z",
    "title_canon_sha256": "d92c9f0f4bb40038947f4c400f0e41880a02a64c87331922994e1ac09321c7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02696",
    "kind": "arxiv",
    "version": 1
  }
}