Pith Number

pith:Y7JJV6GK

pith:2020:Y7JJV6GKPXYB3TTFSQ5BLB66MX

not attested not anchored not stored refs pending

Finding Action Tubes with a Sparse-to-Dense Framework

John See, Limin Wang, Ning Xu, Rui Qian, Shugong Xu, Tao Wang, Weiyao Lin, Yuxi Li

arxiv:2008.13196 v1 · 2020-08-30 · 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{Y7JJV6GKPXYB3TTFSQ5BLB66MX}

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	2026-07-05T01:31:35.165224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7d29af8ca7df01dce65943a1587de65fa31d210e62b55486494e262e49e3277

Aliases

arxiv: 2008.13196 · arxiv_version: 2008.13196v1 · doi: 10.48550/arxiv.2008.13196 · pith_short_12: Y7JJV6GKPXYB · pith_short_16: Y7JJV6GKPXYB3TTF · pith_short_8: Y7JJV6GK

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/Y7JJV6GKPXYB3TTFSQ5BLB66MX \
  | 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: c7d29af8ca7df01dce65943a1587de65fa31d210e62b55486494e262e49e3277

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "802430393fa00cd666496bae6896b79bae34dc18ab681efeb6ad31a073470228",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-08-30T15:38:44Z",
    "title_canon_sha256": "564c518790ae0a346b1419db5d4396fe943d587057cccb664c3a175f11014832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13196",
    "kind": "arxiv",
    "version": 1
  }
}