Pith Number

pith:NV7GYZI4

pith:2026:NV7GYZI4A2XXMGTLJM26V3I77E

not attested not anchored not stored refs pending

Lean-SAM2: Target-Anchored Memory and Encoder Acceleration for SAM2

Huazhong Liu, Wenlun Zhang, Xudong Ouyang, Yimin Xu, Yunshan Zhong

arxiv:2607.19811 v1 · 2026-07-22 · 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{NV7GYZI4A2XXMGTLJM26V3I77E}

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	2026-07-23T01:24:00.566987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7e6c651c06af761a6b4b35eaed1ff92129296de1bf261663e05a32f931815a

Aliases

arxiv: 2607.19811 · arxiv_version: 2607.19811v1 · doi: 10.48550/arxiv.2607.19811 · pith_short_12: NV7GYZI4A2XX · pith_short_16: NV7GYZI4A2XXMGTL · pith_short_8: NV7GYZI4

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/NV7GYZI4A2XXMGTLJM26V3I77E \
  | 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: 6d7e6c651c06af761a6b4b35eaed1ff92129296de1bf261663e05a32f931815a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e12cd15dc3a3403b23ee4bfa51742f88096df7e8b446d2c4ee6d5563f7814c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-22T06:42:27Z",
    "title_canon_sha256": "c64fa5a95c1f68039e68462f0af36e0150753a958c4df6fa085e4d684ec5b035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19811",
    "kind": "arxiv",
    "version": 1
  }
}