Pith Number

pith:ZDHRF5GY

pith:2025:ZDHRF5GYJJIJYOIEWNVER44TKT

not attested not anchored not stored refs pending

Memory-Augmented SAM2 for Training-Free Surgical Video Segmentation

Fu Wang, Ming Yin, Xujiong Ye, Yanda Meng, Zeyu Fu

arxiv:2507.09577 v2 · 2025-07-13 · 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{ZDHRF5GYJJIJYOIEWNVER44TKT}

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	2026-07-05T11:41:26.501999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8cf12f4d84a509c3904b36a48f39354e7a4d8ff9a5f509ba53f54ea788a38ff

Aliases

arxiv: 2507.09577 · arxiv_version: 2507.09577v2 · doi: 10.48550/arxiv.2507.09577 · pith_short_12: ZDHRF5GYJJIJ · pith_short_16: ZDHRF5GYJJIJYOIE · pith_short_8: ZDHRF5GY

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/ZDHRF5GYJJIJYOIEWNVER44TKT \
  | 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: c8cf12f4d84a509c3904b36a48f39354e7a4d8ff9a5f509ba53f54ea788a38ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a8fd1f68d5ae89057d78cc17c2f6c0942c250eab4bfa1227a02e55a32cbafe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-13T11:05:25Z",
    "title_canon_sha256": "b20bbe8e4038a7338435c5c2b82ce9cc55be4b9c9da17ae8da6f32167d9cbffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09577",
    "kind": "arxiv",
    "version": 2
  }
}