Pith Number

pith:N6RDZH62

pith:2022:N6RDZH62T6NSZOQUZP5JLTS4VG

not attested not anchored not stored refs pending

FreeSOLO: Learning to Segment Objects without Annotations

Anima Anandkumar, Chunhua Shen, Jan Kautz, Jose M. Alvarez, Shalini De Mello, Xinlong Wang, Zhiding Yu

arxiv:2202.12181 v2 · 2022-02-24 · 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{N6RDZH62T6NSZOQUZP5JLTS4VG}

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	2026-07-05T04:17:20.987608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa23c9fda9f9b2cba14cbfa95ce5ca9b5d7206177f7c469da0077760ab5c0cc

Aliases

arxiv: 2202.12181 · arxiv_version: 2202.12181v2 · doi: 10.48550/arxiv.2202.12181 · pith_short_12: N6RDZH62T6NS · pith_short_16: N6RDZH62T6NSZOQU · pith_short_8: N6RDZH62

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/N6RDZH62T6NSZOQUZP5JLTS4VG \
  | 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: 6fa23c9fda9f9b2cba14cbfa95ce5ca9b5d7206177f7c469da0077760ab5c0cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e6713c452c09200a18a2c8079cf9c572122a62f2205456a2150be0946366af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-24T16:31:44Z",
    "title_canon_sha256": "13225815747662fe849689dde531e5f6fd398ffb069a64413801194e99d3dab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12181",
    "kind": "arxiv",
    "version": 2
  }
}