Pith Number

pith:PGAL6F6C

pith:2021:PGAL6F6CSHQQ7MLEE5S3QGXDJQ

not attested not anchored not stored refs pending

Rethinking Self-supervised Correspondence Learning: A Video Frame-level Similarity Perspective

Jiarui Xu, Xiaolong Wang

arxiv:2103.17263 v5 · 2021-03-31 · 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{PGAL6F6CSHQQ7MLEE5S3QGXDJQ}

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.

Cited by

1 paper in Pith

FRAME: Pre-Training Video Feature Representations via Anticipation and Memory

Receipt and verification

First computed	2026-07-05T03:22:34.455479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7980bf17c291e10fb1642765b81ae34c00d46de44c515b0c88a471f804a9c1dc

Aliases

arxiv: 2103.17263 · arxiv_version: 2103.17263v5 · doi: 10.48550/arxiv.2103.17263 · pith_short_12: PGAL6F6CSHQQ · pith_short_16: PGAL6F6CSHQQ7MLE · pith_short_8: PGAL6F6C

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/PGAL6F6CSHQQ7MLEE5S3QGXDJQ \
  | 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: 7980bf17c291e10fb1642765b81ae34c00d46de44c515b0c88a471f804a9c1dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ab7c7348e24c5b4b1c7d8feb5a2b6b9993aeb75c6070a41d88a95e130a5d6b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-31T17:56:35Z",
    "title_canon_sha256": "54989ba1763dd5385ef3213e03299218dd00ffe899dd5ce6329315db9e66bbf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.17263",
    "kind": "arxiv",
    "version": 5
  }
}