Pith Number

pith:R2FFERCG

pith:2019:R2FFERCGOJXQPBVJR45PUG2TNM

not attested not anchored not stored refs pending

vireoJD-MM at Activity Detection in Extended Videos

Chong-Wah Ngo, Fuchen Long, Qi Cai, Ting Yao, Yingwei Pan, Zhaofan Qiu, Zhijian Hou

arxiv:1906.08547 v1 · 2019-06-20 · 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{R2FFERCGOJXQPBVJR45PUG2TNM}

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	2026-05-17T23:42:52.171132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e8a524446726f0786a98f3afa1b536b1a51dfda4bbe163e54266f1c761416da

Aliases

arxiv: 1906.08547 · arxiv_version: 1906.08547v1 · doi: 10.48550/arxiv.1906.08547 · pith_short_12: R2FFERCGOJXQ · pith_short_16: R2FFERCGOJXQPBVJ · pith_short_8: R2FFERCG

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/R2FFERCGOJXQPBVJR45PUG2TNM \
  | 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: 8e8a524446726f0786a98f3afa1b536b1a51dfda4bbe163e54266f1c761416da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f169b4d0c165260298ce0edbb77471a713363e9ac7277873560ab3ce7509b327",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-20T10:43:00Z",
    "title_canon_sha256": "b98249d47c9e9b1cc490add353625254e7adb241f8ea1793623ba2c21d5b2caf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08547",
    "kind": "arxiv",
    "version": 1
  }
}