Pith Number

pith:GJTF22RQ

pith:2018:GJTF22RQP6LCLW4TQJHELDTKA6

not attested not anchored not stored refs pending

Learning to Localize and Align Fine-Grained Actions to Sparse Instructions

Ivan Laptev, James M. Rehg, Jean-Baptiste Alayrac, Meera Hahn, Nataniel Ruiz

arxiv:1809.08381 v1 · 2018-09-22 · 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{GJTF22RQP6LCLW4TQJHELDTKA6}

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	2026-05-18T00:05:08.683578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32665d6a307f9625db93824e458e6a079d8484195556b342d6ea0e399955f83c

Aliases

arxiv: 1809.08381 · arxiv_version: 1809.08381v1 · doi: 10.48550/arxiv.1809.08381 · pith_short_12: GJTF22RQP6LC · pith_short_16: GJTF22RQP6LCLW4T · pith_short_8: GJTF22RQ

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/GJTF22RQP6LCLW4TQJHELDTKA6 \
  | 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: 32665d6a307f9625db93824e458e6a079d8484195556b342d6ea0e399955f83c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da6fdf32f05ffb011543400955386638c22c1125b6fc9a7329f0faf9420314c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-22T04:41:08Z",
    "title_canon_sha256": "4c952315da4998922da4223f373717b746e159b6bced8bbb5ff10e35a9051324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08381",
    "kind": "arxiv",
    "version": 1
  }
}