Pith Number

pith:3HVGDHDL

pith:2017:3HVGDHDL72NJUDOTHH7QMVOAGJ

not attested not anchored not stored refs pending

CLAD: A Complex and Long Activities Dataset with Rich Crowdsourced Annotations

Anthony G. Cohn, David C. Hogg, Jawad Tayyub, Majd Hawasly

arxiv:1709.03456 v2 · 2017-09-11 · 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{3HVGDHDL72NJUDOTHH7QMVOAGJ}

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	2026-05-18T00:34:36.913486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ea619c6bfe9a9a0dd339ff0655c0325f152940a216dd59d0ed96869afb071c

Aliases

arxiv: 1709.03456 · arxiv_version: 1709.03456v2 · doi: 10.48550/arxiv.1709.03456 · pith_short_12: 3HVGDHDL72NJ · pith_short_16: 3HVGDHDL72NJUDOT · pith_short_8: 3HVGDHDL

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/3HVGDHDL72NJUDOTHH7QMVOAGJ \
  | 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: d9ea619c6bfe9a9a0dd339ff0655c0325f152940a216dd59d0ed96869afb071c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffaa18a44c53f8dae3d074a5c6239f66b144e65798cbf651c5671102abba13f2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-09-11T16:01:17Z",
    "title_canon_sha256": "4a9bf5022def860240819649aa9d094f6f9b4bf8867a0bef17cefa093b5ef97a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03456",
    "kind": "arxiv",
    "version": 2
  }
}