Pith Number

pith:REHDR3G7

pith:2021:REHDR3G7JDWJHBZCVRFTROPLDJ

not attested not anchored not stored refs pending

Learning from Temporal Gradient for Semi-supervised Action Recognition

Alan Yuille, Ju He, Junfei Xiao, Lin Zhang, Longlong Jing, Qi She, Yingwei Li, Zongwei Zhou

arxiv:2111.13241 v3 · 2021-11-25 · 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{REHDR3G7JDWJHBZCVRFTROPLDJ}

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	2026-07-05T04:17:03.607407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

890e38ecdf48ec938722ac4b38b9eb1a597b3c53ca11bc6d45dc663e8b2c725f

Aliases

arxiv: 2111.13241 · arxiv_version: 2111.13241v3 · doi: 10.48550/arxiv.2111.13241 · pith_short_12: REHDR3G7JDWJ · pith_short_16: REHDR3G7JDWJHBZC · pith_short_8: REHDR3G7

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/REHDR3G7JDWJHBZCVRFTROPLDJ \
  | 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: 890e38ecdf48ec938722ac4b38b9eb1a597b3c53ca11bc6d45dc663e8b2c725f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "290664ecb71ce0a2042c9bda77b88906784d18c4c2f5ce63ade7b6b2936ca756",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-11-25T20:30:30Z",
    "title_canon_sha256": "f25b187ea9d7560abe146d66e1581b10fa6d8fada5e2adf9981de9ff7d1c4541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.13241",
    "kind": "arxiv",
    "version": 3
  }
}