Pith Number

pith:FC6NEDW3

pith:2021:FC6NEDW3JXK56RDYQ7GCJLLOWH

not attested not anchored not stored refs pending

Motion-aware Contrastive Video Representation Learning via Foreground-background Merging

Haohang Xu, Hongkai Xiong, Jue Wang, Maomao Li, Qingyi Chen, Rui Qian, Shuangrui Ding, Tianyu Yang

arxiv:2109.15130 v3 · 2021-09-30 · 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{FC6NEDW3JXK56RDYQ7GCJLLOWH}

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	2026-07-05T04:04:41.933878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28bcd20edb4dd5df447887cc24ad6eb1dda3a6d51464a025103c2c50f2b4c620

Aliases

arxiv: 2109.15130 · arxiv_version: 2109.15130v3 · doi: 10.48550/arxiv.2109.15130 · pith_short_12: FC6NEDW3JXK5 · pith_short_16: FC6NEDW3JXK56RDY · pith_short_8: FC6NEDW3

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/FC6NEDW3JXK56RDYQ7GCJLLOWH \
  | 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: 28bcd20edb4dd5df447887cc24ad6eb1dda3a6d51464a025103c2c50f2b4c620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35aa6ba3aa083086ecd32baf4a0d28f6e810b35e626506088b1cd22f979711c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-30T13:45:26Z",
    "title_canon_sha256": "f43df39e1de6b14bea76cf76c6471b389057739f8ac6abaf8b49156def3fff4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.15130",
    "kind": "arxiv",
    "version": 3
  }
}