Pith Number

pith:DDDQXKYH

pith:2025:DDDQXKYHG27GELLBAY472UG6GB

not attested not anchored not stored refs pending

MPG-SAM 2: Adapting SAM 2 with Mask Priors and Global Context for Referring Video Object Segmentation

Fu Rong, Lefei Zhang, Meng Lan, Qian Zhang

arxiv:2501.13667 v5 · 2025-01-23 · 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{DDDQXKYHG27GELLBAY472UG6GB}

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	2026-07-05T11:50:30.269249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18c70bab0736be622d610639fd50de30427b2a785237a35ad96ba06f92fddd5f

Aliases

arxiv: 2501.13667 · arxiv_version: 2501.13667v5 · doi: 10.48550/arxiv.2501.13667 · pith_short_12: DDDQXKYHG27G · pith_short_16: DDDQXKYHG27GELLB · pith_short_8: DDDQXKYH

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/DDDQXKYHG27GELLBAY472UG6GB \
  | 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: 18c70bab0736be622d610639fd50de30427b2a785237a35ad96ba06f92fddd5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "159a42ad18a4779e02ff36d15847e2b451970efbc6a3ccd403bbeb55768a8fde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-23T13:53:33Z",
    "title_canon_sha256": "78de7dd2145cc2212c43891af31b9dc6b5d61891ea336dc1ab6ce0c5b3e11926"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13667",
    "kind": "arxiv",
    "version": 5
  }
}