Pith Number

pith:BOKD5FM2

pith:2021:BOKD5FM277YLTJDUV76L2HXBSX

not attested not anchored not stored refs pending

Rethinking Space-Time Networks with Improved Memory Coverage for Efficient Video Object Segmentation

Chi-Keung Tang, Ho Kei Cheng, Yu-Wing Tai

arxiv:2106.05210 v2 · 2021-06-09 · 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{BOKD5FM277YLTJDUV76L2HXBSX}

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	2026-07-05T03:20:56.162359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b943e959afff0b9a474affcbd1ee195f125430595eb3cab752b523c6cf3160d

Aliases

arxiv: 2106.05210 · arxiv_version: 2106.05210v2 · doi: 10.48550/arxiv.2106.05210 · pith_short_12: BOKD5FM277YL · pith_short_16: BOKD5FM277YLTJDU · pith_short_8: BOKD5FM2

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/BOKD5FM277YLTJDUV76L2HXBSX \
  | 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: 0b943e959afff0b9a474affcbd1ee195f125430595eb3cab752b523c6cf3160d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57bc78272839d8adc85756b9784923afdb76b2ac7b6c9a6c9684d19eaa5684d5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-06-09T16:50:57Z",
    "title_canon_sha256": "0b9357d1be3733a76603bb972e94a2b68f5251c5f7ca4901fb4cfce768ae91f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05210",
    "kind": "arxiv",
    "version": 2
  }
}